Search Results: "us states population"

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12:51 Popular
Population, Sustainability, and Malthus: Crash Course World History 215

1,142 views / 0 likes - added 9 years ago

In which John Green teaches you about population. So, how many people can reasonably live on the Earth? Thomas Malthus got it totally wrong in the 19th century, but for some reason, he keeps coming up when we talk about population. In 1800, the human popu
05:02 Popular
Population Pyramids: Powerful Predictors Of The Future - Kim Preshoff

936 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/population-pyramids-powerful-predictors-of-the-future-kim-preshoff Population statistics are like crystal balls -- when examined closely, they can help predict a country's future (and give important clues about
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Human Population Through Time

496 views / 0 likes - added 5 years ago

It took 200,000 years for our human population to reach 1 billion—and only 200 years to reach 7 billion. But growth has begun slowing, as women have fewer babies on average. When will our global population peak? And how can we minimize our impact on
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Changes in Income, Population, or Preferences

655 views / 0 likes - added 9 years ago

How demand can be effected by changes in income, population or preferences More free lessons at: http://www.khanacademy.org/video?v=do1HDIdfQkU
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Statistics: Variance of a Population

475 views / 0 likes - added 9 years ago

Variance of a population. More free lessons at: http://www.khanacademy.org/video?v=6JFzI1DDyyk
10:47 Popular
Comparing Population Proportions 1

729 views / 0 likes - added 9 years ago

Comparing Population Proportions 1 More free lessons at: http://www.khanacademy.org/video?v=a1Ye5RcWOqg
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Comparing Population Proportions 2

669 views / 0 likes - added 9 years ago

Comparing Population Proportions 2 More free lessons at: http://www.khanacademy.org/video?v=MNbat1lrJW4
06:42
Statistics: Sample vs. Population Mean

496 views / 0 likes - added 9 years ago

The difference between the mean of a sample and the mean of a population.
08:13
Thomas Malthus and Population Growth

684 views / 1 likes - added 9 years ago

Thomas Malthus's views on population. Malthusian limits. More free lessons at: http://www.khanacademy.org/video?v=r1ywppAJ1xs
16:13 Popular
Hypothesis Test Comparing Population Proportions

727 views / 0 likes - added 9 years ago

Hypothesis Test Comparing Population Proportions More free lessons at: http://www.khanacademy.org/video?v=dvSa_tx04hw
13:00 Popular
Land Productivity Limiting Human Population

778 views / 0 likes - added 9 years ago

Thinking about how we get Calories from the land limits human population densities More free lessons at: http://www.khanacademy.org/video?v=xM8szz4VB28
11:05 Popular
Population Genetics: When Darwin Met Mendel - Crash Course Biology #18

934 views / 0 likes - added 9 years ago

Hank talks about population genetics, which helps to explain the evolution of populations over time by combing the principles of Mendel and Darwin, and by means of the Hardy-Weinberg equation. Crash Course Biology is now available on DVD! http://dft.ba/-8
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More on Oxidation States

510 views / 0 likes - added 9 years ago

More practice calculating oxidation states
09:23 Popular
United States Postal Service Technology

704 views / 0 likes - added 8 years ago

Each day the United States Postal Service processes hundreds of millions of pieces of mail and delivers to over 150 million addresses. At the center of this bustling postal network are more than a hundred Processing and Distribution Centers spread across
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01:40
The Three States of Matter Song (NEW Video) | Silly School Songs

692 views / 0 likes - added 3 years ago

This sing-a-long song explains the three states of matter in a fun way. Grades K-5+Visit http://www.sillyschoolsongs.com for more info, and more music!LYRICS:Solid, liquid and gasThe three states of matter, they all have massSolid, liquid and gasThey all
03:50 Popular
How is power divided in the United States government? - Belinda Stutzman

1,126 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-is-power-divided-in-the-united-states-government-belinda-stutzman Article II of the United States Constitution allows for three separate branches of government (legislative, executive, and judicial), along w
19:24 Popular
States of Matter

936 views / 0 likes - added 8 years ago

Introduction to the states or phases of matter. More free lessons at: http://www.khanacademy.org/video?v=pKvo0XWZtjo
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The Fight For The Right To Vote In The United States - Nicki Beaman Griffin

590 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-fight-for-the-right-to-vote-in-the-united-states-nicki-beaman-griffin In the United States today, if you are over eighteen, a citizen, and the resident of a state, you can vote (with some exceptions). So, ho
17:39
Introduction to Oxidation States

490 views / 0 likes - added 9 years ago

Oxidation and reduction. Oxidation states.
03:35 Popular
How did trains standardize time in the United States? - William Heuisler

938 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-did-trains-standardize-time-in-the-united-states-william-heuisler If you live in the United States, you may live in the Eastern Standard Time Zone. Or maybe you live in Mountain Standard Time or one of the o
05:10
Einstein's Brilliant Mistake: Entangled States - Chad Orzel

676 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/einstein-s-brilliant-mistake-entangled-states-chad-orzel When you think about Einstein and physics, E=mc^2 is probably the first thing that comes to mind. But one of his greatest contributions to the field actua
04:53
States of Matter

696 views / 0 likes - added 3 years ago

Everyone is familiar with liquid water, ice and water vapour, but what are the differences between these three states of matter? Solids, liquids and vapours of the same substance differ in the motion of the molecules and the distance between them.Animatio
11:53 Popular
Population Ecology: The Texas Mosquito Mystery - Crash Course Ecology #2

1,283 views / 1 likes - added 8 years ago

Population ecology is the study of groups within a species that interact mostly with each other, and it examines how they live together in one geographic area to understand why these populations are different in one time and place than they are in another
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Hydrogen Can Be a Metal?! Plus, Other Weird States of Matter (Part 2 of 3)

456 views / 0 likes - added 6 years ago

Solids, liquids, and gases are only the beginning. What are the other states of matter? Hint: There are more than you think. Part 1 of 3 - https://youtu.be/58C-gtX6uCY Part 3 of 3 - coming next Thursday! Read More: Matter: Definition & the Five States of
05:44
The Mayor of a Ghost Town (Population: 1)

651 views / 0 likes - added 5 years ago

Welcome to Ballarat, California, population one. Located in the heart of the unforgiving Death Valley, the former mining supply town has been abandoned for nearly 100 years. Were it not for Rock Novak, the town’s only resident, Ballarat would belong to th
10:54 Popular
Human Population Growth - Crash Course Ecology #3

1,795 views / 0 likes - added 8 years ago

If being alive on Earth were a contest, humans would win it hands down. We're like the Michael Phelps of being alive, but with 250,000 times more gold medals. Today Hank is here to tell us the specifics of why and how human population growth has happened
08:22 Popular
Defusing the Population Bomb

762 views / 1 likes - added 6 years ago

Thank you to Bill and Melinda Gates for supporting PBS Digital Studios. If you’d like to take a look at the 2018 Annual Letter, you can check it out here http://b-gat.es/2Cfph0j ↓↓↓ More info and sources below ↓↓↓ Don’t miss our next video! SUBSCRIBE! ►►
04:46 Popular
The 50 States and Capitals Song | Silly School Songs

2,337 views / 7 likes - added 3 years ago

INTERACTIVE LEARNING COURSES FOR THIS SONG AVAILABLE!!**Click the links below*** http://sillyschoolsongs.com/lessonplans/northeast http://sillyschoolsongs.com/lessonplans/southeast http://sillyschoolsongs.com/lessonplans/greatlakes http://sillyschoolsongs
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Vanadium Oxidation States - a most colorful experiment

130 views / 0 likes - added 1 year ago

This chemistry experiment shows you how to produce red, orange, green, yellow, blue and purple all in one solution, all the colors of the rainbow - without dyes or indicators. How is that possible? We show you how to produce the amazing oxidation states o
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Maps, States & Borders

541 views / 0 likes - added 5 years ago

Deane challenges Rob with a mathematical problem concerning maps, states and borders. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twitter ➤ https:/
17:18
Every Pizza Style We Could Find In the United States

176 views / 1 likes - added 1 year ago

Weird History Food is taking you around the United States to find (almost) every variety of pizza this great land has to offer. Everyone knows what goes into the perfect pizza: dough, tomato sauce, shredded mozzarella cheese, and your favorite toppings. B
04:27
Native tribes have lost 99% of their land in the United States

161 views / 0 likes - added 2 years ago

New data set quantifies Indigenous land dispossession and forced migrationRead the story: https://www.science.org/content/article/native-tribes-have-lost-99-their-land-united-statesRead the research: https://www.science.org/doi/10.1126/science.abe4943
05:33
United States Symbols | Bedtime Stories | Story time | Made by Red Cat Reading

414 views / 0 likes - added 4 years ago

United States Symbols read by Maryssa. Subscribe to KidsVsLife's YouTube channel for more videos to help your child learn how to read! YouTube Channel: https://www.youtube.com/user/kidsvslife New videos are uploaded every week. Enjoy educational songs, le
11:19
Altered States - Crash Course Psychology #10

687 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
10:28
Kids Try Burgers From 10 States | Bon Appétit

679 views / 2 likes - added 6 years ago

In this episode of "Kids Try Food", the kids try burgers from around the country. For this taste test, the kids react to the Jucy Lucy from Minnesota, the Frita Cubana from Miami, Hawaii's infamous Loco Moco, the Impossible burger made in California, New
10:51
Kids Try BBQ From 10 States | Bon Appétit

552 views / 0 likes - added 6 years ago

In this episode of "Kids Try Food", the kids try barbecue by region. Kids eat and react to hill country brisket and hot gut (beef sausage) from Texas, pulled pork and barbecue hash from South Carolina, hush puppies from North Carolina, dry rub Memphis rib
01:36 Popular
Altered States | Brain Games

2,009 views / 3 likes - added 6 years ago

This trippy brain game will change the way you see the world... literally. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About Brain Games: Using a series of experiments, illusions and man-on-the-street demonstrations, host Jason Silva and guest experts unlo
04:23
Russia, China, United States race to deploy blazingly fast hypersonic weapons

435 views / 0 likes - added 4 years ago

In August 2018, high in the sky over northeastern China, the Xingkong-2 hypersonic cruise missile raced at Mach 6, or six times the speed of sound, bobbing and weaving through the atmosphere. This byproduct of the rapidly developing field of hypersonic we
24:29 Popular
PIG POPULATION - DOGCRAFT (EP.184)

947 views / 6 likes - added 8 years ago

In the aftermath of Butch's terror, we have a lot of pigs hanging around Dogcraft now. Episode 185 will be out on Wednesday. SUBSCRIBE: http://bit.ly/1nhrJK5 TWITTER: http://www.twitter.com/stacysays VLOGGING: http://www.youtube.com/stacyvlogs MERCH: http
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Kids Try 10 Unusual Meats From 10 States | Bon Appétit

493 views / 1 likes - added 5 years ago

In this episode of "Kids Try Food", the kids try uncommon, exotic, and unusual meats from different regions of America like fried alligator balls from Louisiana, fried rattlesnake from Oklahoma, chislic (mutton) from South Dakota, caribou chili (with rein
08:45
States of Matter Follow-Up

643 views / 1 likes - added 9 years ago

More on Plasma and Hydrogen bonds. More free lessons at: http://www.khanacademy.org/video?v=WenwtcuqOj8
05:47
Is The United States An Oligarchy?

558 views / 1 likes - added 8 years ago

What is an Oligarchy and is the USA one?
10:07 Popular
10 RIDDLES Only Genius Can Solve | Riddles will Blow your Mind | Riddles Popular in United States

2,094 views / 5 likes - added 6 years ago

10 RIDDLES Only Genius Can Solve | Riddles will Blow your Mind | Riddles Popular in United States. Music Credit - Vexento (Thank you for Amazing Music) Vexento - Floating With You https://www.youtube.com/watch?v=aNSn3RW0xmI Vexento - Masked Heroes https:/
14:21
20th Century Capitalism and Regulation in the United States

599 views / 0 likes - added 9 years ago

Overview of cycles of regulation, de-regulation and government in 20th century US capitalism More free lessons at: http://www.khanacademy.org/video?v=J33nVRyTeyU
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Re: The Trouble With The Electoral College – Cities, Metro Areas, Elections and The United States

657 views / 0 likes - added 7 years ago

Discuss this video: http://reddit.com/r/cgpgrey The Trouble with The Electoral College: https://www.youtube.com/watch?v=7wC42HgLA4k How the Electoral College Works: https://www.youtube.com/watch?v=OUS9mM8Xbbw This vlog is a bit of a mess, but as the sayin
10:28
Entropy is not disorder: micro-state vs macro-state

545 views / 0 likes - added 5 years ago

Entropy and the difference between micro-states and macro-states. My Patreon page is at https://www.patreon.com/EugeneK
30:51
The Big History of Civilizations | The Great Courses

636 views / 0 likes - added 7 years ago

https://www.thegreatcoursesplus.com/ What makes the Big History approach so unique? Whereas a traditional survey might take you through the major events of a period and introduce you to key dates and people (the “kings and battles” approach), Big History
03:04
Relocating A 3-ton Rhino In Nepal (360 Video)

678 views / 0 likes - added 7 years ago

Nepal was once home to thousands of Greater One-Horned Rhinos, but poaching decimated the population. Our team provided support to WWF to translocate five rhinos in Nepal and our cameras captured the story as they were moved more than 250 miles to their n
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Westward Wings | A NATURE Short Film

167 views / 0 likes - added 1 year ago

Follow researcher Maggie Hirschauer as she strives to learn more about the monarch butterfly population in western Montana.Please LIKE and SUBSCRIBE if you enjoyed it! **More info & videos below** ---------------For full NATURE episodes, check out http://
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How Long Did People Use To Live?

247 views / 1 likes - added 2 years ago

Start building your ideal daily routine The first 100 people who click on the link will get a FREE week trial and 25% OFF Fabulous Premium https://thefab.co/minuteearthBy analyzing survivorship curves over the centuries, we can learn whats changed about h
02:26
This Man Runs A Micronation Of 32 People

492 views / 0 likes - added 8 years ago

Welcome to the Republic of Molossia: Population 32. Although not officially recognized by the United States, Molossia is a self-declared nation in the middle of the Nevada desert. This micronation has its own post office, bank and space program. Its presi
12:17
Statistics: Alternate Variance Formulas

512 views / 0 likes - added 9 years ago

Playing with the formula for variance of a population. More free lessons at: http://www.khanacademy.org/video?v=sRVGcYGjUk8
14:57
Hardy-Weinberg Principle

524 views / 0 likes - added 9 years ago

Understanding allele and genotype frequency in population in Hardy-Weinberg Equilibrium.
05:04
12 Year Old Terrarium - Life Inside a closed jar, Over a decade in isolation

367 views / 0 likes - added 3 years ago

In this video we take a look at the terrarium my brother made during his childhood. This terrarium was made between 2007 - 2008. This makes the terrarium at least 12 years old. Inside there is a variety of organisms. All of which have persisted within the
17:39
Introduction to Evolution and Natural Selection

540 views / 0 likes - added 9 years ago

Introduction to evolution, variation in a population and natural selection More free lessons at: http://www.khanacademy.org/video?v=GcjgWov7mTM
02:55
Caffeine 101 | National Geographic

566 views / 0 likes - added 5 years ago

Nearly 90% of the United States population has at least one caffeinated beverage every day. Learn about the chemistry of caffeine, how it causes increased alertness and focus, and how caffeine is capable of causing overdoses. ➡ Subscribe: http://bit.ly/Na
04:09 Popular
Wolves 101 | Nat Geo Wild

1,822 views / 13 likes - added 5 years ago

With their piercing looks and spine-tingling howls, wolves inspire both adoration and controversy around the world. Find out how many wolf species exist, the characteristics that make each wolf's howl unique, and how the wolf population in the continental
05:07 Popular
Why Are Some People Left-handed? - Daniel M. Abrams

915 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/why-are-some-people-left-handed-daniel-m-abrams Today, about one-tenth of the world's population are southpaws. Why are such a small proportion...
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04:31
Man Born in 1866 Talks About the Late 1800s

96 views / 0 likes - added 1 year ago

0:00 Introduction1:38 Main VideoThis is Eugene D. Nims, born in 1866. When the United States Government opened Oklahoma for settlement in 1893, he was there and made the run on horseback into the Cherokee strip. Here he got into the lumber business. All t
15:03
Margin of Error 1

646 views / 0 likes - added 9 years ago

Finding the 95% confidence interval for the proportion of a population voting for a candidate. More free lessons at: http://www.khanacademy.org/video?v=OwPSuHXmiPw
10:05
Margin of Error 2

557 views / 0 likes - added 9 years ago

Finding the 95% confidence interval for the proportion of a population voting for a candidate. More free lessons at: http://www.khanacademy.org/video?v=YclQE2XtaLw
05:23 Popular
Why Overpopulation Isnt the Problem You Think It Is

893 views / 0 likes - added 3 years ago

Around 390,000 new humans are born every day. So, on a planet with dwindling resources and an increasing strain on natural systems is curbing our booming population the key to solving our environmental woes? Subscribe to Seeker! http://bit.ly/subscribesee
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View The Total Eclipse LIVE From Madras, Oregon! | Great American Eclipse

536 views / 2 likes - added 6 years ago

Watch live as a total eclipse of the sun passes over the continental United States for the first time in 99 years! More: https://www.sciencechannel.com/eclipse/ The path of totality will pass over 14 states – from Oregon in the west to South Carolina in t
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Territorial History of the USA: Every Month for 400 Years

573 views / 0 likes - added 6 years ago

Animated map of the contiguous 48 States showing every country boundary change from 1629 onwards, and State border changes from 1784. Year and Month are shown in the top right hand corner. Note: Grey coloured areas are independent regions that would later
07:22
The fight for America's 51st state, explained

402 views / 0 likes - added 3 years ago

Washington, DC is closer than ever to becoming a state. Could it actually happen?Subscribe to our channel! http://goo.gl/0bsAjOOn June 26, 2020, the US House of Representatives voted to make Americas capital city, Washington, DC, the countrys 51st state.
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Statistics: Sample Variance

492 views / 0 likes - added 9 years ago

Using the variance of a sample to estimate the variance of a population More free lessons at: http://www.khanacademy.org/video?v=Qf3RMGXR-h8
01:47
Aerial Fish Dropping by Plane

649 views / 1 likes - added 5 years ago

The Utah wildlife department drops about 1,000 fish into lakes from airplanes to restock their population (happens near end of clip). Thankfully, 95% of the fish survive the drop.
02:43
Rising sea levels could displace millions of Americans by 2100

626 views / 1 likes - added 7 years ago

A recent study published in Nature Climate Change projects that over 4 million residents of the continental US could be affected if sea levels rise 3 feet by the end of the century. The researchers calculated the number of at-risk residents by looking at
23:07 Popular
Liberty's Kids 140 - 4th of July Special! WE THE PEOPLE with Washington - Educational Cartoons

1,302 views / 5 likes - added 4 years ago

Americas leaders meet at a convention in Philadelphia and decide to write a radical new Constitution. Ben Franklin, in his final moment on the world stage, helps forge the Great Compromise on legislative representation. James Madison writes much of the Co
09:24
Social Class & Poverty in the US: Crash Course Sociology #24

595 views / 1 likes - added 6 years ago

Today we’re breaking down the five different social class in the United States: the upper class, the upper middle class, the average middle class, the working class, and the lower class. We’ll also go over what poverty looks like in the United States. Cra
04:29
How transforming river banks can clean contaminated waterways

279 views / 0 likes - added 3 years ago

Rivers throughout the eastern United States are well-known for their high banks and steep, winding courses. But in 2008 scientists proposed that years of damming rivers had transformed them from marshy streams good at filtering waste, to the pollution chu
04:10 Popular
Approximating With Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

1,175 views / 0 likes - added 8 years ago

Learn how to approximate how much larger the world population was than the US population in 2014. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-
05:51
World War II In The Pacific In 1942

602 views / 0 likes - added 9 years ago

In 1942, the United States begins to fully engage against the Japanese and go on the offensive.
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Why Las Vegas's Landscape Is So Lush and Green

608 views / 0 likes - added 6 years ago

One of the most important byproducts of the Hoover Dam is an artificial body of water known as Lake Mead. Its presence has helped the population of Clark County grow sevenfold since 1970. From the Series: Aerial Cities: Las Vegas http://bit.ly/2HVJ4F7
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Conservation And Restoration Ecology: Crash Course Ecology #12

636 views / 0 likes - added 8 years ago

Hank wraps up the Crash Course on ecology by taking a look at the growing fields of conservation biology and restoration ecology, which use all the kung fu moves we've learned about in the past eleven weeks and apply them to protecting ecosystems and to c
02:12
Where to put the next billion people

650 views / 0 likes - added 7 years ago

The world's population is set to increase by one billion by 2030. In this Nature Video, we take a look at where on Earth they are all going to live. Read more here: http://www.nature.com/news/where-to-put-the-next-billion-people-1.20669
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Federalism: Crash Course Government and Politics #4

699 views / 0 likes - added 9 years ago

In which Craig Benzine teaches you about federalism, or the idea that in the United States, power is divided between the national government and the 50 state governments. Craig will teach you about how federalism has evolved over the history of the US, an
15:27 Popular
Terrorism, War, and Bush 43: Crash Course US History #46

866 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
11:10
Electoral College

540 views / 0 likes - added 9 years ago

How we elect our President in the United States More free lessons at: http://www.khanacademy.org/video?v=oTbvYGH_Hiw
15:04
Communism

546 views / 0 likes - added 9 years ago

Overview of Communism and Marxist-Leninist States More free lessons at: http://www.khanacademy.org/video?v=MmRgMAZyYN0
06:29
Balance of Payments- Current Account

521 views / 0 likes - added 9 years ago

Understanding the United States Current Account in 2011 More free lessons at: http://www.khanacademy.org/video?v=dirBYVjDk7A
08:53 Popular
What is Evolution?

1,959 views / 0 likes - added 5 years ago

Support Stated Clearly on Patreon: https://www.patreon.com/statedclearly Evolution is often considered a complex and controversial topic but it's actually a very simple concept to understand. Watch this short animation to see how evolution works. Share it
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Sanitation showcase

487 views / 0 likes - added 5 years ago

Bill Gates will visit Beijing, China for the Reinvented Toilet Expo, where some of the most high-tech toilets in the world will be on display. These toilets aren’t just fascinating gadgets – they have the potential to save millions of lives. More than hal
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Aliens: Are We Looking In The Wrong Place?

599 views / 0 likes - added 8 years ago

Big Alien Theory explanation website - http://www.thebigalientheory.com/ Thanks to everyone who supports MinutePhysics on Patreon! http://www.patreon.com/minutephysics Link to Patreon supporters here: http://www.minutephysics.com/supporters.html Music by
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Slavery And Missouri Compromise In Early 1800s

623 views / 1 likes - added 8 years ago

Kim Kutz explains how slavery was an issue at the birth of the United States and how the issue became more and more central as the country expanded.
22:56
Quantum Spin - Visualizing the physics and mathematics

518 views / 0 likes - added 5 years ago

Quantum spin states explained with 3D animations. My Patreon page is at https://www.patreon.com/EugeneK
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Why cities are full of uncomfortable benches

443 views / 0 likes - added 6 years ago

That bench won't be yours forever. Subscribe to our channel! http://goo.gl/0bsAjO When designing urban spaces, city planners have many competing interests to balance. After all, cities are some of the most diverse places on the planet. They need to be bui
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The History of North America: Every Year

686 views / 0 likes - added 6 years ago

See how civilizations rose and fell in North America along with the colonization of the continent by Europe which would lead to the rise of the United States.
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Primaries and Caucuses

454 views / 0 likes - added 9 years ago

How states choose their delegates for the national party conventions (under CC-BY-SA license) More free lessons at: http://www.khanacademy.org/video?v=z_QeYCg4yJ8
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TIL: We Have Lost 50% Of Wildlife Since 1970

633 views / 1 likes - added 8 years ago

In less than two generations, population sizes of vertebrate species have dropped by more than 50 percent. According to 2014’s Living Planet Report, this means we have lost over half of our birds, amphibians, reptiles, fish, and mammals. The situation is
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11:47
Increasing Political Battles Over Slavery In Mid 1800s

558 views / 0 likes - added 8 years ago

Kim and Sal talk about increased tensions between slave and free states as new territory is added after Mexican-American War and from Compromise of 1850 (especially Fugitive Slave Act).
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US and Japanese Quantitative Easing

511 views / 0 likes - added 9 years ago

Comparing quantitative easing in Japan to "credit easing" in the United States More free lessons at: http://www.khanacademy.org/video?v=a-R8qpea6lc
01:56 Popular
Oldest Footage Of A President - US

2,612 views / 1 likes - added 8 years ago

Who was the first US President on film? This clip is the first known and oldest surviving footage of a US President, the head of state and head of government of the United States of America. The inaugural procession of William McKinley was filmed on March
07:03 Popular
Part 1: How Does New Genetic Information Evolve? Point Mutations

925 views / 0 likes - added 5 years ago

Support Stated Clearly on Patreon: https://www.patreon.com/statedclearly This film is the first of a two part series on the evolution of new genetic information. Here we focus on Point Mutations - the simplest natural mechanisms known to increase the gene
02:55 Popular
Where Do Galaxies Come From?

831 views / 1 likes - added 7 years ago

Thanks to the Space Telescope Science Institute (STScI) and NASA’s James Webb Space Telescope for supporting this video! In particular, thanks to Dan Coe of STScI for taking the time to chat with me about what we do and don’t know about baby galaxies and
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A Giant Salamander's Second Chance | Maddie About Science

454 views / 2 likes - added 6 years ago

Eastern hellbenders live throughout the Appalachian region in the United States. Their ancestors have been on earth for around 160 million years, but in the last several decades their numbers have dropped dangerously in several states, primarily due to ha
05:55 Popular
History Vs. Christopher Columbus - Alex Gendler

1,237 views / 4 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/history-vs-christopher-columbus-alex-gendler Many people in the United States and Latin America have grown up celebrating the anniversary of Christopher...
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05:33
Why measles is back in the US

361 views / 0 likes - added 5 years ago

Almost all US states allow parents to opt their children out of vaccinations. This video is presented by Skillshare. Click here to get your first two months of Skillshare for free: https://skl.sh/vox2 Join the Video Lab! http://bit.ly/video-lab Measles is
07:03
The COVID-19 Vaccines Are Here. So What Happens Next?

278 views / 1 likes - added 3 years ago

Getting approval for one or more COVID-19 vaccines is just the first step on the long journey we've been on now. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop at http://shop.seeker.co
14:24 Popular
The Great Migration Explained: US History Review

750 views / 0 likes - added 8 years ago

A summary video lecture of the Great Migration, the movement of 6 million African Americans out of the Southern United States. Be sure to check out the video arsenal of over 350 videos at www.youtube.com/hiphughes
01:36 Popular
Are you smart enough to solve this simple brain teaser?

765 views / 0 likes - added 7 years ago

This simple brain teaser is not so easy. A virus is doubling every singe day. On the 67th day the virus has reached its max population. When will the virus reach half of its max population. My name is Chris and my passion is to teach math. Learning should
12:12 Popular
1941 Axis Momentum Accelerates In WW2

836 views / 2 likes - added 9 years ago

In 1941, the Axis gains further momentum with control of most of Continential Europe. Hitler decides to break pact and invade Stalin's Soviet Union. United States enters World War II after Japanese attack on Pearl Harbor.
12:48
Countries That No Longer Exist!

536 views / 0 likes - added 4 years ago

The most interesting countries that no longer exist! These are history's most fascinating nations that you can't find on a modern map.What country gained independence from Mexico just to join another country? Which nation used to consist of nearly a third
04:42
What If Everyone on Earth Lived in One City?

354 views / 0 likes - added 5 years ago

55% of the worlds population live in cities. By 2050, thatll be two thirds of the worlds population.So what does that mean? Can we accomodate this trend? Should we?What are the pros and cons of urban density? And how bad can it get?Transcript and sources:
02:59 Popular
Why Do India And China Have So Many People?

775 views / 1 likes - added 6 years ago

Please subscribe! http://goo.gl/EpIDGd And support us on Patreon: https://www.patreon.com/MinuteEarth India and China have so many people today because they’re good for farming and big, but they’ve always been that way, so they’ve actually had a huge prop
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13:04 Popular
The Constitution, the Articles, and Federalism: Crash Course US History #8

1,077 views / 3 likes - added 9 years ago

In which John Green teaches you about the United States Constitution. During and after the American Revolutionary War, the government of the new country operated under the Articles of Confederation. While these Articles got the young nation through its wa
10:54 Popular
The Civil War Part 2: Crash Course US History #21

1,252 views / 6 likes - added 9 years ago

In which John Green teaches you how the Civil War played a large part in making the United States the country that it is today. He covers some of the key ways in which Abraham Lincoln influenced the outcome of the war, and how the lack of foreign interven
18:29 Popular
US History Overview 1: Jamestown to the Civil War

1,103 views / 3 likes - added 9 years ago

Jamestown to the Civil War. Correction: Jamestown was the first successful ENGLISH settlement in what is now the United States. The Spanish actually settled St. Augustine, Florida in 1595. More free lessons at: http://www.khanacademy.org/video?v=ghgPq2wjQ
28:26
Reconciling Thermodynamic and State Definitions of Entropy

473 views / 0 likes - added 9 years ago

Long video explaining why entropy is a measure of the number of states a system can take on (mathy, but mind-blowing). More free lessons at: http://www.khanacademy.org/video?v=WLKEVfLFau4
08:46
Can Supercrops Feed 10 BILLION People?

419 views / 0 likes - added 4 years ago

Thanks to Bill and Melinda Gates for sponsoring today's video. Check out their Annual Letter here: http://www.inflcr.co/SH1jPWere on PATREON now! Join the community https://www.patreon.com/itsokaytobesmart More info and sources below If you tried to sum u
03:47 Popular
The Case Of The Vanishing Honeybees - Emma Bryce

750 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-case-of-the-vanishing-honeybees-emma-bryce In the past decade, the US honeybee population has been decreasing at an alarming and unprecedented rate. While this is obviously bad news for honeypots everywhere,
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10:32 Popular
The Voting Rights Act Of 1965 Explained

738 views / 0 likes - added 8 years ago

An overview of the landmark legislation passed giving the Federal Government enforcement power over the states in relationship to the 15th Amendment. Including Shelby County vs Holder which effectively kills much it. Huh? Watch the video! Visit www.hiphug
03:37
Sal teaches Grover about the electoral college

642 views / 0 likes - added 7 years ago

Sal helps our favorite Sesame Street character understand how we elect the president of the United States. Check out more lessons about American civics on Khan Academy at http://www.khanacademy.org. And vote November 8 if you’re eligible!
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04:18
Are We Too Late?

111 views / 0 likes - added 1 year ago

Overpopulation! Is it really a big problem? Will we run out of room?https://www.youtube.com/watch?v=LgEiYbIJVOY - Watch this cool VitaDAO video we made!Support VitaDAO AND Life Noggin: https://www.vitadao.com/Check out Lifespan now: https://www.lifespan.i
14:57
The 1751 Machine that Made Everything

136 views / 0 likes - added 1 year ago

Please support me on Patreon https://www.patreon.com/machinethinking If you had to pick one machine that triggered the biggest explosion of wealth in our history, which would you pick? Let me know in the comments if you agree with my choice! http://machin
00:41
Save our Water WWF PSA Campaign

242 views / 0 likes - added 3 years ago

All life needs water. It is the worlds most precious resource, fueling everything from the food you eat, to the cotton you wear, to the energy you depend upon every day. Its also threatened. Climate change, population growth and changing consumption patte
00:45
Elephant Or Donkey? How Animals Became U.S. Political Symbols

676 views / 0 likes - added 7 years ago

How did an elephant and a donkey come to represent Republicans and Democrats, the biggest political parties in the United States? Watch: Not Just Fiction: This 'Game of Thrones' Animal Actually Existed https://www.youtube.com/watch?v=Hx-MPp3NiVE
03:28
Wolves: Can't Live With 'Em, Can't Live Without 'Em

632 views / 2 likes - added 4 years ago

Humans dont have a great track record of coexisting with top predators, and wolves are no exception. By the early 1900s, wolves were nearly extinct in all of Western Europe as a result of government programs that rewarded people for killing them. While th
07:43
Overpopulation & Africa

506 views / 0 likes - added 4 years ago

Sources and further reading:https://sites.google.com/view/sourcesoverpopulationandafricaFor most of our history, the human population grew slowly. Until new discoveries brought us more food and made us live longer. In just a hundred years the human popula
12:45 Popular
Growth, Cities, and Immigration: Crash Course US History #25

1,254 views / 2 likes - added 9 years ago

In which John Green teaches you about the massive immigration to the United States during the late 19th and early 20th century. Immigrants flocked to the US from all over the world in this time period. Millions of Europeans moved to the US where they drov
08:44
How Chop Suey Saved San Francisco's Chinatown [Chinese Food: An All-American Cuisine, Pt. 1] | AJ+

688 views / 0 likes - added 6 years ago

Chinese-Americans have a long history of facing exclusion in the U.S. As a means of survival, many first-wave Chinese immigrants opened restaurants and catered Chinese food to American tastebuds. Watch Part 2: The Untold Story Of America's Southern Chines
04:37 Popular
Why do people get so anxious about math? - Orly Rubinsten

1,504 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/why-do-people-get-so-anxious-about-math-orly-rubinsten Have you ever sat down to take a math test and immediately felt your heart beat faster and your palms start to sweat? This is called math anxiety, and if it
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13:42 Popular
The Cold War in Asia: Crash Course US History #38

959 views / 1 likes - added 9 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
02:05 Popular
200+ Union Pacific Train Engines Abandoned in Arizona Desert!

781 views / 1 likes - added 6 years ago

I stumbled across these UP Engines in the AZ desert during a recent trip. I did some more research and found this is one of UP's sidings they use for locomotives not being used. An article states there are 292 engines at this location. The siding is locat
01:01
Atomic Tourism

471 views / 0 likes - added 6 years ago

Read More: http://www.ripleys.com/weird-news/atomic-tourism/ In the 1950s, tourists headed to the city of lights to see the biggest light of them all: a nuclear detonation. The cities economy and population exploded with the bombs in spite of the fears of
08:13
Is the US running out of Social Security?

32 views / 0 likes - added 2 months ago

And how does it even work?Subscribe to our channel and turn on notifications () so you don't miss any videos: http://goo.gl/0bsAjOThis video is presented by Metro by T-Mobile. Metro has no editorial influence on our videos, but their support makes videos
05:16 Popular
What Percentage Of Your Brain Do You Use? - Richard E. Cytowic

777 views / 0 likes - added 8 years ago

http://ed.ted.com/lessons/what-percentage-of-your-brain-do-you-use-richard-e-cytowic Two thirds of the population believes a myth that has been propagated for over a century: that we use only 10% of our brains. Hardly! Our neuron-dense brains have evolved
06:14
1,000 Deaf People Hear For The First Time

648 views / 3 likes - added 1 year ago

Your support gives the Gift of Hearing. Please click here!https://hearingthecall.org/give/SIGN LANGUAGE RESOURCESBANGLADESH https://parakerja.co.id/home/GUATEMALA https://www.lavosi-gua.org/INDIA https://vaani.in/INDONESIA https://parakerja.co.id/home/KEN
03:11 Popular
Fuel is cheap. Why are we still paying to check bags?

737 views / 0 likes - added 7 years ago

Airlines are making a fortune on fees, but it's not ALL bad for consumers. Subscribe to our channel! http://goo.gl/0bsAjO In The United States, checked baggage fees were introduced in 2008. Since then, ancillary fees for airline travel have become a signi
10:07 Popular
Boolean Logic & Logic Gates: Crash Course Computer Science #3

1,246 views / 0 likes - added 7 years ago

Today, Carrie Anne is going to take a look at how those transistors we talked about last episode can be used to perform complex actions. With the just two states, on and off, the flow of electricity can be used to perform a number of logical operations, w
10:51
How Antarcticas Cutest Baby Seals Grow Up I Antarctic Extremes

342 views / 0 likes - added 3 years ago

Penguin lovers, take note: Baby Weddell seals might actually be cutest animals in all of Antarctica (and were talking a continent the size of the United States and Mexico combined). Subscribe! http://www.youtube.com/c/pbsterra?sub_confirmation=1 And for m
03:02
How Aristocracies Rule

438 views / 0 likes - added 5 years ago

The American fairytale is far from enchanted. Power and wealth are concentrated in an anxious aristocracy, comprised of 10% of the population, that reigns by dividing the lower classes and pitting them against each other so that the poor turn against the
Introducing Alexander von Humboldt

170 views / 0 likes - added 2 years ago

Learn about the life and legacy of Alexander von Humboldt. Narrated by modern-day polymath Ken Jennings, the 'Greatest of All Time' Jeopardy! champion. This video was created in conjunction with the SAAM exhibition "Alexander von Humboldt and the United S
01:57
Coronavirus Animation: High Impact Demonstrates How COVID-19 Impacts the Body

461 views / 0 likes - added 4 years ago

https://highimpact.com/ Coronavirus, which causes COVID-19, originated in the city of Wuhan, China, and has since spread across the globe at an alarming rate. We produced this 3D coronavirus animation to show how COVID-19 is believed to be transmitted whi
04:13 Popular
The Past, Present And Future Of The Bubonic Plague - Sharon N. DeWitte

762 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-past-present-and-future-of-the-bubonic-plague-sharon-n-dewitte The bubonic plague, which killed around 1/5 of the world’s population in the 14th century, is still around today -- but it now claims only a few
03:20 Popular
How Do Blood Transfusions Work?

833 views / 0 likes - added 8 years ago

How do we transfer blood from one person to another and when did we start doing this? Why Do We Have Blood? ►►►► http://bit.ly/1Mbk6CR Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: A Short History of Blood Transfusion http
59:32
"It's My Own Invention" Eric Laithwaite 1974 RI Christmas Lectures, Lecture 6

221 views / 0 likes - added 3 years ago

Professor Eric Laithwaite presents his second televised series of CHRISTMAS LECTURES exploring the world of engineering.A sequel to his 1966 series, 'The Engineer in Wonderland', Laithwaite was the first person to present two series of Lectures on nationa
04:32
What Is The Science Behind Polls?

431 views / 0 likes - added 7 years ago

Why shouldn't we always trust polls? Trace tackles this question here. Are We The Only Species That Votes? - https://youtu.be/-XOis9RTROs Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: The National Council on Public Polls (NCPP)
13:41 Popular
Entropy: Embrace the Chaos! Crash Course Chemistry #20

779 views / 0 likes - added 9 years ago

Life is chaos and the universe tends toward disorder. But why? If you think about it, there are only a few ways for things to be arranged in an organized manner, but there are nearly infinite other ways for those same things to be arranged. Simple rules o
04:59 Popular
How Do Solar Panels Work? - Richard Komp

1,887 views / 3 likes - added 8 years ago

View full lesson: https://ed.ted.com/lessons/how-do-solar-panels-work-richard-komp The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world cou
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12:11
National Foods We Got Wrong

104 views / 0 likes - added 1 year ago

Weird History Food is uncovering the unlikely origin of some of your favorite meals. Food is an essential part of culture. As communities, states, and nations form their identities, food becomes part of how they see themselves and shapes the perceptions o
03:02
512 Year Old Greenland Shark. Oldest Shark in the World.

641 views / 3 likes - added 4 years ago

Researchers have found an ancient shark in the North Atlantic, believed to be 512 years old, which could be the oldest living vertebrate in the world. This particular shark, was measured at 18 feet in length and weighed over a tonne. By measuring the size
06:30
Is The Next Antibiotic Hiding Deep Within The Ocean?

545 views / 1 likes - added 7 years ago

Drug-resistant superbugs are becoming more common, putting pressure on scientists to find new antibiotics. Could the answer be in the ocean? How Fecal Transplants Can Save Lives - https://youtu.be/i6RBfoITbls Sign Up For The Seeker Newsletter Here - http:
04:41
What happens to our bodies after we die? - Farnaz Khatibi Jafari

679 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-happens-to-our-bodies-after-we-die-farnaz-khatibi-jafari Since the dawn of humanity, an estimated 100.8 billion people have lived and died, a number that increases by about 0.8% of the world’s population ea
05:06 Popular
Is There A Disease That Makes Us Love Cats? - Jaap De Roode

1,289 views / 4 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/is-there-a-disease-that-makes-us-love-cats-jaap-de-roode Today, about a third of the world’s population is infected with a strange disease called toxoplasmosis — and most of them never even know it. And while th
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05:47
Test Driving the First Digital Driver's Licenses | WSJ

312 views / 0 likes - added 4 years ago

A handful of states are starting to pilot smartphone-based digital driver's licenses. WSJ's Joanna Stern headed to Dover, Delawareand its many liquor storesto test one of these mobile IDs, and get answers about the privacy and security of the new technolo
13:41
Future Food Menu of 2050

638 views / 1 likes - added 4 years ago

Experts say your food could look very different by the year 2050 as the worlds population skyrockets. Lets find out about the future food menu of 2050!Suggest a topic here to be turned into a video: http://bit.ly/2kwqhuhSubscribe for more! https://goo.gl/
10:26 Popular
Ecology - Rules for Living on Earth: Crash Course Biology #40

2,239 views / 0 likes - added 9 years ago

Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been interacting with ea
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04:50
We the People: The White House

86 views / 0 likes - added 1 year ago

The president of the United States serves as the chief executive and commander of the armed forces, all defined in Article II of the Constitution as the executive branch. Join a group of middle schoolers on a tour of Washington, D.C. as they learn about t
05:21
We the People: The National Archives

106 views / 0 likes - added 1 year ago

Once a vision for the United States of America, crafted by our founding fathers, the Declaration of Independence is preserved as living proof of our history at the National Archives and Records Administration. Join a group of middle schoolers on a tour of
03:10 Popular
The Mystery Of Motion Sickness - Rose Eveleth

1,123 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-mystery-of-motion-sickness-rose-eveleth Although one third of the population suffers from motion sickness, scientists aren't exactly sure what causes it. Like the common cold, it's a seemingly simple problem
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04:38 Popular
What Does Lyme Disease Do To Your Body?

937 views / 1 likes - added 5 years ago

What exactly is the connection between a tick bite and lyme disease? While we’re not sure exactly where and when the disease originated, we do know a lot about how it works, its signs, its symptoms in humans and dogs, how it’s spread and its treatment. __
01:20
Blue Valley, Utah | One of the most EPIC boondocking and vanlife campsites

147 views / 0 likes - added 1 year ago

Blue Valley and the Moon Overlook near Hanksville, Utah is one of the most epic vanlife, boondocking, and free campsites in the United States, and for good reasons. Enjoy these incredible shots filmed by van lifer Josiah Roe on a roadtrip across southern
03:01
Love Quinoa? Thank the International Man of Botany

392 views / 0 likes - added 4 years ago

Love mangoes and dates? Cant imagine a grain bowl without quinoa? We have botanist David Fairchild to thank for bringing these foods and many more to the United States. Fairchild spent his entire career traveling the world learning from indigenous food cu
08:03
The Erie Canal Explained: US History Review

660 views / 0 likes - added 8 years ago

Take a quick trip down the Erie Canal of Explaining as we look at how this revolutionary transportation system changed the course of United States History. Join me as we lay down the tracks of learning by covering the basics on the Transcontinental Railro
02:52
What Does The U.S. Flag Mean? | COLOSSAL QUESTIONS

613 views / 2 likes - added 1 year ago

Have you ever seen the flag of the United States and wondered to yourself... what do all those red, white, and blue stars and stripes even mean??Images used under license from Shutterstock.comWelcome to Colossal Questions, the show that answers all of lif
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14:11 Popular
The Market Revolution: Crash Course US History #12

784 views / 0 likes - added 9 years ago

In which John Green teaches you about the Market Revolution. In the first half of the 19th century, the way people lived and worked in the United States changed drastically. At play was the classic (if anything in a 30 year old nation can be called classi
11:57
Foreign Foods That Are Banned In the U.S.

190 views / 0 likes - added 1 year ago

Weird History Food is getting banned. Americans love their food, and they are able to buy (almost) anything imaginable at restaurants, farms, markets, and other stores, but some foods are currently banned. The US Food and Drug Administration (FDA) has ban
04:44
How do the leading COVID-19 vaccines work?

261 views / 0 likes - added 3 years ago

As countries like the United States and United Kingdom inoculate their residents with never-before used vaccine technology, others, including Russia, China, and India, are investing in more traditional approaches, like inactivated coronavirus vaccines. Bu
04:39
How Many People Would We Need To Colonize Another Earth?

469 views / 0 likes - added 7 years ago

Various companies are working to settle on other planets. How long would it take and what issues would we face along the way? Earth-Like Planet Discovered! What You Need To Know - https://youtu.be/NIz42cy0vLQ Sign Up For The Seeker Newsletter Here - http:
14:16
Japanese Green Tea: From Farm to Table

420 views / 0 likes - added 4 years ago

If you're like me and had no clue that most of the world's tea, including Japanese green tea, comes from the same plant, then come along for a tea learning journey!Special thanks to d:matcha for giving me a behind-the-scenes look at how it all happens in
01:39
80 days in Germany in 80 seconds

461 views / 0 likes - added 5 years ago

I biked through all 16 German states in 80 days and filmed my entire journey. This is just the beginning. Trailer: https://bit.ly/2tmpNbj Subscribe here for more: https://bit.ly/2F0sOov Follow me on Instagram: https://bit.ly/2K3ctTC
09:46
Best Desserts In Every State | 50 State Favorites

401 views / 0 likes - added 3 years ago

From New York cheesecake to Boston cream pie, we're taking a look at the best desserts from all 50 states. Footage courtesy of: emmymadeinjapan: https://www.youtube.com/emmy/ Arkansas Woodcutter: https://www.youtube.com/watch?v=gEWGL4WM9lM MORE 50 STATE F
07:25
The 126-year fight to change Mississippis Confederate flag

299 views / 0 likes - added 3 years ago

On November 3, 2020, Mississippi voters finally adopted a state flag that represents the diversity of the state.Read more on Vox: https://bit.ly/3nyUDalFor 126 years, Mississippis state flag prominently featured the Confederate battle emblem in its design
22:22
Mind Reading

297 views / 0 likes - added 3 years ago

In this episode I visit a researcher who is studying memory by using machine learning and neuroimaging to detect and predict people's brain states. I also travel to Japan to meet with a team working on ways to record the content of peoples dreams.Availabl
05:30
What is Juneteenth, and why is it important? - Karlos K. Hill and Soraya Field Fiorio

144 views / 0 likes - added 1 year ago

Get to know the history of Juneteenth, a commemoration of the end of slavery in the United States after the Civil War.--At the end of the Civil War, though slavery was technically illegal in all states, it still persisted in the last bastions of the Confe
01:51
Diving Underwater With Elusive Devil Rays

373 views / 0 likes - added 5 years ago

Devil rays are mysterious sea creatures that are rarely seen in the wild. With their population dwindling, biologists are racing to learn more about the species before devil rays disappear altogether. Subscribe to Seeker VR ►►► http://bit.ly/2cPGh2u Downl
12:43
Amazing Facts And Innovations About Pizza

314 views / 0 likes - added 1 year ago

Weird History Food is delivering some Pizza Innovations to your eyes. Immigrants to the United States brought their staple food with them, and pizza became a sensation in their new country, with the first pizzeria in the US opening for business in Manhatt
09:25 Popular
What's All The Yellen About? Monetary Policy And The Federal Reserve: Crash Course Economics #10

760 views / 0 likes - added 8 years ago

This week on Crash Course Economics, we're talking about monetary policy. The reality of the world is that the United States (and most of the world's economies) are, to varying degrees, Keynesian. When things go wrong, economically, the central bank of th
02:21
Wild West Pony Express Rider From the 1860s Tells His Story

417 views / 1 likes - added 3 years ago

This is Richard Clarke (15 December 1845 5 May 1930), born in Yorkshire, England, who was a United States frontiersman, Pony Express rider, actor, and armed forces member. During his career, Clarke fought alongside George Armstrong Custer at the Battle of
03:45 Popular
One Of The Last Generations Of Siberian Tiger? - Operation Snow Tiger - BBC

2,866 views / 20 likes - added 8 years ago

The team prepare for the cubs to be slowly released back into the wild. These three cubs represent 1% of the total Siberian Tiger population. Subscribe to BBC Earth: http://www.youtube.com/subscription_center?add_user=BBCEarth BBC Earth YouTube Channel: h
02:20
The Burning of Washington

89 views / 0 likes - added 6 months ago

During the War of 1812, British forces stormed into Washington, D.C. and set fire to the White House and other federal buildings. Rather than dent U.S. morale, the sacking of Washington served to galvanize the population against the British.Untold is a fr
03:21 Popular
Schoolhouse Rock - ''The Great American Melting Pot''

1,264 views / 1 likes - added 8 years ago

Music & lyrics by Lynn Ahrens. Vocals by Lori Lieberman. ABC-TV, 1977 It's interesting to watch this video in light of modern debates on immigration and cultural assimilation. I remember watching this cartoon as a kid and then hearing many years later in
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01:38
Pumpkin vs Red Wigglers 62-day time-lapse - FAST PLAYBACK - vermicomposting

513 views / 0 likes - added 5 years ago

The bin's worm population was split; half of them remaining in the bin & the other half of the worms were loaded into the hollowed-out pumpkin. A bunch of shredded paper was loaded in after them to keep the worms up near the top of the pumpkin. The id
03:34 Popular
Sia - Candy Cane Lane

1,326 views / 1 likes - added 6 years ago

Take a trip down Candy Cane Lane Stream/download 'Everyday Is Christmas' now: https://sia.lnk.to/christmas Upcoming tour dates - http://siamusic.net/tour Director - Lior Molcho Cinematographer - Danit Sigler Art Director - Katie Shipley Animation - Colin
06:51
Doomsday Machines

489 views / 0 likes - added 6 years ago

…or how I learned to study physics and start fearing the bomb Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Nuclear weapons represent the darker side of E=mc^2. Science has given us the ability to und
11:45
Five of the Most Bizarre Towns in the World

511 views / 0 likes - added 6 years ago

In this reel, we go globetrotting to some of the strangest towns in the world. We begin in the Republic of Molossia, population, 32, get our tongue twisted at Llanfairpwllgwyngyllgogerychwyrndrobwyllllantysiliogogogoch, and cruise through canals in the Ne
06:16
What happens when you have a concussion? - Clifford Robbins

656 views / 1 likes - added 6 years ago

View full lesson: https://ed.ted.com/lessons/what-happens-when-you-have-a-concussion-clifford-robbins Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those
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11:14
Cooking in the Future Will Require Creativity. Here's One Solution. | NYT Opinion

149 views / 0 likes - added 2 years ago

This is part three in “We’re Cooked,” a three-part series from NYT Opinion. Watch part one here: https://youtu.be/kOcLyyVyb6o , and part two here: https://youtu.be/m6xE7rieXU0 Mealworm soup. Chile-lime cricket tacos. Charred avocado tart
04:47
How Do We Decide Speed Limits?

680 views / 0 likes - added 8 years ago

We know speed limits exist to prevent speeding related car accidents, but how exactly are they chosen? How Safe Are Self-Driving Cars? ►►►► http://bit.ly/20wW8ER Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: Long-Term Effe
05:11
This Is the Only School for Refugees in the U.S.

350 views / 0 likes - added 4 years ago

Many young refugees arrive in the United States with no formal schooling. Luma Mufleh wants them all to have the opportunity to succeed. Born in Amman, Jordan, she moved to the States as a young adult. In 2004, she founded the Fugees Academy in Atlanta, a
19:40
Every Style of Hot Dog We Could Find Across the US

197 views / 1 likes - added 1 year ago

Hot dogs are about as American as apple pie. It's not uncommon for different states to offer their unique spins on classic American cuisine, and the hot dog industry is no exception. While some stands and shops take inspiration from other popular local cu
02:18 Popular
Why These Parasites Eat Their Hosts To Survive

701 views / 0 likes - added 5 years ago

Parasitoids are a type of parasite that kill their host animals to survive. While it seems gruesome, this type of behavior is important for keeping our ecosystem balanced. If parasitoids didn't destroy their hosts, the population of invasive species like
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Banning alcohol was a bad idea... - Rod Phillips

264 views / 0 likes - added 3 years ago

Dig into the Prohibition era in the United States, when the government banned the manufacture, sale, and transport of alcohol. --On January 17, 1920, less than one hour after spirits had become illegal throughout the United States, armed men robbed a Chic
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Who Started World War I: Crash Course World History 210

1,079 views / 3 likes - added 9 years ago

In which John Green teaches you WHY World War I started. Or tries to anyway. With this kind of thing, it's kind of hard to assign blame to any one of the nations involved. Did the fault lie with Austria-Hungary? Germany? Russia? Julius Caesar? One thing w
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These scientists flew eggs across the ocean to save seabirds from climate change

182 views / 0 likes - added 2 years ago

Most black-footed albatross nest on sandy beaches in Hawaiibut rising sea levels threaten their eggs and chicks. Researchers in Mexico and the United States came up with a way to save these birds: having young albatross hatch and imprint on an island 6000
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How the US counts votes

251 views / 0 likes - added 3 years ago

Follow the results of the 2020 presidential election at: http://www.vox.com/2020In a normal presidential election year, many Americans go from casting our vote before work in the morning to turning off the TV before bed, secure in our knowledge of who wil
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Searching for Beavers! (Part 1) | Maddie Moate

921 views / 0 likes - added 4 years ago

Join Greg and I as we go on a canoe safari in search of Beavers! Beavers were considered extinct in the UK for hundreds of years and it's only recently that they've been re-introduced! Population numbers are still so low, so seeing them in the wild is ext
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Why can't the Titanic be recovered from the bottom of the ocean

1,285 views / 9 likes - added 4 years ago

The transatlantic Titanic was the largest ship of its time, but its life was very short. The first and only voyage of the ship began April 10, 1912 and ended 4 days later. This tragedy occurred on the night of April 14-15, 1912. When the Titanic crashed,
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INDIAN GIANT SQUIRREL : RATUFA INDICA

643 views / 1 likes - added 5 years ago

The Indian giant squirrel, or Malabar giant squirrel, (Ratufa indica) is a large tree squirrel species genus Ratufa native to India. It is a large-bodied diurnal, arboreal, and herbivorous squirrel found in South Asia. It is called 'Shekru' in Marathi and
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What Gives A Dollar Bill Its Value? - Doug Levinson

1,126 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-gives-a-dollar-bill-its-value-doug-levinson The value of money is determined by how much (or how little) of it is in circulation. But who makes that decision, and how does their choice affect the economy at
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Things Americans Do That Confuse The Rest Of The World

495 views / 1 likes - added 5 years ago

The united states is a wonderful place, but its also the place for a lot of strange things that confuse the rest of the world. Here are some weird things about america that confuse Europe and the world. Subscribe for more! ► https://goo.gl/pgcoq1 ◄ Stay u
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History Vs. Richard Nixon - Alex Gendler

1,047 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/history-vs-richard-nixon-alex-gendler The president of the United States of America is often said to be one of the most powerful positions in the world. But of all the US presidents accused of abusing that power
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When Will We Run Out Of Names?

815 views / 0 likes - added 9 years ago

Vsauce is nominated for a Webby in Science & Education! You can support learning online by voting for Vsauce or any of the FANTASTIC nominees here: http://pv.webbyawards.com/2015/online-film-video/video-channels-and-networks/science-education THANKS!! SOU
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What Is The Heisenberg Uncertainty Principle? - Chad Orzel

1,590 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-is-the-heisenberg-uncertainty-principle-chad-orzel The Heisenberg Uncertainty Principle states that you can never simultaneously know the exact position and the exact speed of an object. Why not? Because ev
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Neural network racing cars around a track

578 views / 0 likes - added 5 years ago

Teaching a neural network to drive a car. It's a simple network with a fixed number of hidden nodes (no NEAT), and no bias. Yet it manages to drive the cars fast and safe after just a few generations. Population is 650. The network evolves through random
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Wild Horses: America's most beloved invasive species? | 4K Drone Footage

479 views / 0 likes - added 3 years ago

Thank you to Target for supporting PBS. You can learn more at: https://target.com/communityShare your story today: https://to.pbs.org/3izZeXhWild horses made their home on the islands of North Carolina centuries ago, supposedly descendants of horses broug
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Can machines read your emotions? - Kostas Karpouzis

859 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-machines-read-your-emotions-kostas-karpouzis Computers can beat us in board games, transcribe speech, and instantly identify almost any object. But will future robots go further by learning to figure out wha
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If Green Energy Is So Great, Why Aren't We Using It?

527 views / 0 likes - added 7 years ago

Green energy is getting better and cheaper, yet we still largely rely on fossil fuels. Why haven't we switched to solar and wind energy yet? Which Countries Will Be Underwater Due To Climate Change? - https://youtu.be/1ilC2ODaWSY Which Countries Run On 10
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18th / 19th century muskets. Learn why soldiers dressed so strange.

155 views / 0 likes - added 2 years ago

Excellent portrayal of history, this video focuses on the basics of battle of the late 18th and early 19th century. Fort Niagara, New York, Unitied States of America. We stumbled on the Fort as a quick stop to see lake Ontario before beginning a one night
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Why so many baseball players are Dominican

116 views / 0 likes - added 6 months ago

And why so many players are among the best in Major League Baseball.Subscribe and turn on notifications so you don't miss any videos: http://goo.gl/0bsAjO Baseball has a long history in the United States, but it also has strong roots in the Caribbean and
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Where US Politics Came From: Crash Course US History #9

760 views / 0 likes - added 9 years ago

In which John Green teaches you where American politicians come from. In the beginning, soon after the US constitution was adopted, politics were pretty non-existent. George Washington was elected president with no opposition, everything was new and excit
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512 Years Old Shark - Oldest Shark In The World

325 views / 1 likes - added 1 year ago

Hey there, have you ever heard of a shark that's older than Shakespeare? Well, researchers have just discovered an ancient shark in the North Atlantic that is believed to be a whopping 512 years old! Yes, you heard that right. This could possibly make it
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The Problem With Life Expectancy

194 views / 0 likes - added 3 years ago

Go to https://bit.ly/noom_minuteearth and take your free 30-second quiz! Thank you #noom for sponsoring todays video!In order to truly understand differences among animal lifespans, we need to stop thinking about a specific number and start thinking about

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