Search Results: "Aleria"

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03:20 Popular
How Do Blood Transfusions Work?

829 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
03:35 Popular
Experience Venice’s Spectacular Beauty in Under 4 Minutes | Short Film Showcase

758 views / 0 likes - added 7 years ago

The Venetian life resides within the city's hundreds of canals and diverse architecture. This short documentary by directors Olvier Astrologo and Nils Astrologo immerses us in the historical and hidden places of Venice, Italy, to reveal ancient folk tradi
04:34
How To Find Water Bears

541 views / 0 likes - added 6 years ago

Let's do a fun science experiment! We're going to learn how to find Water Bears. Join me to learn about these awesome microscopic creatures! Tardigrades, also known as Water Bears, are adorable microscopic animals. They look like caterpillars and walk lik
04:58 Popular
Why isn't the world covered in poop? - Eleanor Slade and Paul Manning

1,002 views / 0 likes - added 6 years ago

Learn more by reading Douglas J. Emlen's "Animal Weapons": https://amzn.to/2I2SLSw View full lesson: https://ed.ted.com/lessons/why-isn-t-the-world-covered-in-poop-eleanor-slade-and-paul-manning Check out our book rec page: http://bit.ly/2I3INQC Each day,
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04:47 Popular
The surprising reasons animals play dead - Tierney Thys

765 views / 0 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-surprising-reasons-animals-play-dead-tierney-thys From lemurs to lizards, ants to amphibians, sharks to chickens, hundreds of animals "play dead" as
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04:34 Popular
What is dust made of? - Michael Marder

1,000 views / 2 likes - added 5 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-is-dust-made-of-michael-marder Less than a tenth the size of an ant, a dust mite’s whole world is contained in the dusty film under a bed or in a f
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05:17 Popular
The science of hearing - Douglas L. Oliver

1,137 views / 1 likes - added 5 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-science-of-hearing-douglas-l-oliver The ability to recognize sounds and identify their location is possible thanks to the auditory system. That&rsqu
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04:40
How can you change someone's mind? (hint: facts aren't always enough) - Hugo Mercier

643 views / 0 likes - added 5 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-can-you-change-someone-s-mind-spoiler-facts-don-t-work-so-well-hugo-mercier Why do arguments change people’s minds in some cases and backfire in oth
04:36
Why should you read “Fahrenheit 451”? - Iseult Gillespie

513 views / 0 likes - added 5 years ago

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/why-should-you-read-fahrenheit-451-iseult-gillespie Ray Bradbury’s novel imagines a world where books are banned- and posses
04:30
An unsung hero of the civil rights movement - Christina Greer

508 views / 2 likes - added 5 years ago

Learn about the life of Bayard Rustin, a leader in the Civil Rights Movement, a gay rights activist, and one of Martin Luther King’s closest advisors. -- In 1963, Martin Luther King Jr. delivered his “I Have a Dream” speech at the March on Washington to n
04:47
Why do hospitals have particle accelerators? - Pedro Brugarolas

329 views / 0 likes - added 5 years ago

Investigate the science behind how doctors use radioactive drugs and PET scans to detect and diagnose diseases like Alzheimer’s and cancer. -- Is there a way to detect diseases like cancer and Alzheimer’s before they advance too far? Doctors are using inj
05:17
There may be extraterrestrial life in our solar system - Augusto Carballido

628 views / 1 likes - added 4 years ago

Is there extraterrestrial life in our solar system? Or are we alone? Take a journey to the ocean worlds on Jupiter and Saturn to investigate the possibility. --Deep in our solar system, a new era of exploration is unfolding. Beneath the thick ice of Europ
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05:01
Can you spot the problem with these headlines? (Level 1) - Jeff Leek & Lucy McGowan

612 views / 2 likes - added 4 years ago

Puzzle through a set of hypothetical health studies and headlines and see if you can spot whats misleading about the headline.--In medicine, theres often a disconnect between news headlines and the scientific research they cover. While headlines are desig
05:31 Popular
The dust bunnies that built our planet - Lorin Swint Matthews

1,113 views / 0 likes - added 4 years ago

Investigate the theories surrounding cosmic dust bunnies and discover how the tiny particles could hold the key to the formation of life on Earth. --Consider the spot where youre sitting. Travel backwards in time and it mightve been submerged at the botto
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05:05
What causes an economic recession? - Richard Coffin

524 views / 0 likes - added 4 years ago

How can factors like inflation, supply and demand, and interest rates trigger recessions? Learn the economic basics of modern markets.--For millennia, the people of Britain had been using bronze to make tools and jewelry, and as a currency for trade. But
04:58
Are the illuminati real? - Chip Berlet

438 views / 0 likes - added 4 years ago

Download a free audiobook version of "The Pillars of the Earth" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/illumin
05:23
The history of the world according to corn - Chris A. Kniesly

450 views / 0 likes - added 4 years ago

Trace the 9,000 year old history of the domestication of corn, or maize, and its effects on global agriculture. --Corn currently accounts for more than one tenth of our global crop production. And over 99% of cultivated corn is the exact same type: Yellow
05:21
A brief history of alcohol - Rod Phillips

335 views / 0 likes - added 4 years ago

Trace the 7,000 year old history of alcohol, from its first known origins in China to cultures all over the world fermenting their own drinks.--Nobody knows exactly when humans began to create fermented beverages. The earliest known evidence comes from 7,
04:22
Everything changed when the fire crystal got stolen - Alex Gendler

423 views / 0 likes - added 4 years ago

This riddle was created in partnership with Brilliant. Practice more problem solving here: https://brilliant.org/TedEd/ --Someone has tripped the magical alarms in the Element Temple. When you and the other monks arrive on the scene, you know you have a d
05:10
How one woman put man on the moon - Matt Porter & Margaret Hamilton

359 views / 0 likes - added 4 years ago

Learn how Margaret Hamilton and her team of engineers built the software for the Apollo 11 mission that landed mankind on the Moon. --The Apollo 11 moon landing was about the astronauts, mission control, software and hardware all working together as a sea
05:23
The wildly complex anatomy of a sneaker - Angel Chang

374 views / 0 likes - added 3 years ago

Dive into the anatomy of a sneaker to better understand your clothings carbon footprint, and how to be a more responsible consumer. --Australians call them runners." The British know them as trainers. Americans refer to them as sneakers. Whatever you call
05:17
Can you solve the worlds most evil wizard riddle? - Dan Finkel

541 views / 0 likes - added 3 years ago

Practice more problem-solving at https://brilliant.org/TedEd/--The evil wizard MoldeVort has been trying to kill you for years, and today it looks like hes going to succeed. But your friends are on their way, and if you can survive until they arrive, they
05:52
How fast can a vaccine be made? - Dan Kwartler

324 views / 0 likes - added 3 years ago

Dig into the three key phases of developing a new vaccine: exploratory research, clinical testing, and manufacturing. --When a new pathogen emerges, our bodies and healthcare systems are left vulnerable. And when this pathogen causes the outbreak of a pan
05:34 Popular
What makes volcanoes erupt? - Steven Anderson

2,126 views / 8 likes - added 3 years ago

Dig into the science of how new volcanoes form, and what causes their unpredictable eruptions. --In February of 1942, Mexican farmer Dionisio Pulido thought he heard thunder coming from his cornfield. However, the sound wasnt coming from the sky. The sour
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04:48
The myth of Ireland's two greatest warriors - Iseult Gillespie

489 views / 1 likes - added 3 years ago

Dive into the Irish myth of Tin B Cuailnge, where Queen Meadhbh of Connaught seeks to capture the fabled brown bull of Ulster. --C Chulainn, hero of Ulster, stood at the ford at Cooley, ready to face an entire army single handedly all for the sake of a si
06:00
Can you solve the sorting hat riddle? - Dan Katz and Alex Rosenthal

510 views / 1 likes - added 3 years ago

Practice more problem-solving at https://brilliant.org/TedEd/ -- It’s your first day at Magnificent Marigold’s Magical Macademy. But before you can learn your first spell you must get through the sorting ceremony. And the sorting hat has chose
05:18
Performing brain surgery without a scalpel - Hyunsoo Joshua No

250 views / 0 likes - added 3 years ago

Dig into the science of radiosurgery: a procedure that uses light beams of radiation to target tumors, without making a single incision.--Every year, tens of thousands of people have brain surgery without a single incision: theres no scalpel, no operating
05:35
The hidden treasures of Timbuktu - Elizabeth Cox

326 views / 1 likes - added 3 years ago

Dig into the ancient manuscripts, scrolls, and books of Timbuktu and find out why theyve been hidden for centuries. --On the edge of the vast Sahara desert, citizens snuck out of the city of Timbuktu and took to the wilderness. They buried chests in the d
04:53 Popular
Which bag should you use? - Luka Seamus Wright and Imogen Ellen Napper

818 views / 4 likes - added 3 years ago

Explore the environmental impact of three types of bags plastic, paper, and cloth to find out how theyre made, used and disposed of. --Youve filled up your cart and made it to the front of the grocery line when youre confronted with yet another choice: wh
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06:28 Popular
The worlds largest organism - Alex Rosenthal

859 views / 0 likes - added 3 years ago

Discover the worlds largest organism: Pando, an enormous and ancient quaking aspen, and find out how it became so huge.--The largest animal in the world is the blue whale, which weighs a massive 150 metric tons. Even so, its not remotely close to being th
04:57 Popular
How do personality tests work? - Merve Emre

1,196 views / 1 likes - added 3 years ago

Examine how popular personality tests, like the Myers-Briggs Type Indicator and the Enneagram, are designed and their inconsistencies. --In 1942, a mother-daughter duo named Katherine Cook Briggs and Isabel Briggs Myers developed a questionnaire that clas
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05:15
The rise of the Ottoman Empire - Mostafa Minawi

379 views / 0 likes - added 3 years ago

Explore the early days of the Ottoman Empire, as shrewd political rulers grew the principality into an intercontinental empire. --In the late 13th century, Osman I established a small principality sandwiched between a crumbling Byzantine Empire and a weak
04:43
The worlds most dangerous fart - Nick Caruso and Dani Rabaiotti

338 views / 1 likes - added 3 years ago

Dive into the bowels of the animal kingdom to explore why animals fart, and find out which creature has the foulest flatulence. --For most humans, farts are a welcome relief, an embarrassing incident, or an opportunity for a gas-based gag. But for many ot
05:34
Why do we, like, hesitate when we, um, speak? - Lorenzo Garca-Amaya

338 views / 1 likes - added 3 years ago

Why do we fill pauses in speech with words like um, uh, and like? Dig into the hesitation phenomenon to find out their linguistic significance.--For as long as weve had language, some people have tried to control it. And some of the most frequent targets
05:27
The material that could change the world... for a third time

222 views / 0 likes - added 3 years ago

Explore the role concrete plays in global warming and how scientists are working to create a cleaner, more sustainable concrete.--Today roads, sidewalks, bridges, and skyscrapers are made of a material called concrete. Theres three tons of it for every pe
05:42
Ugly History: The Spanish Inquisition - Kayla Wolf

237 views / 0 likes - added 3 years ago

Dig into the era of the Spanish Inquisition, when the Catholic Church was charged with rooting out and punishing heresy.--In 1478, Pope Sixtus IV issued a decree authorizing the Catholic monarchs, Ferdinand and Isabella, to root out heresy in the Spanish
06:08
How the worlds tallest skyscraper was built - Alex Gendler

298 views / 1 likes - added 3 years ago

Discover the engineering innovations that made building Burj Khalifa, the worlds tallest skyscraper, possible.--In 2004, construction began on a new building in Dubai, promising a revolutionary design that would dwarf the rest of the worlds skyscrapers. F
34:35
Why You're Probably Not a Simulation

563 views / 0 likes - added 2 years ago

Have you ever have a dream you were so sure was real? The simulation argument challenges our very notions of reality by asking whether everything we perceive is nothing more than an elaborate computer simulation. Recently, we've even seen headlines like "
05:16
How one design flaw almost toppled a skyscraper - Alex Gendler

258 views / 1 likes - added 2 years ago

Dig into the unique engineering of New York Citys Citicorp Center tower, and the design flaw that threatened to topple it.--In 1978, Diane Hartley was writing her undergraduate architecture thesis when she made a shocking discovery. After weeks of poring
05:18
The woman who stared at the sun - Alex Gendler

266 views / 1 likes - added 2 years ago

Get to know the legacy of Hisako Koyama, whose drawings of the suns surface helped scientists reconstruct 400 years of sunspot activity.--In 1944, amateur astronomer Hisako Koyamas latest endeavor was sketching the suns shifting surface. She spent weeks a
05:39
The sharks that hunt in forests - Luka Seamus Wright

360 views / 3 likes - added 2 years ago

Discover the unique adaptations of marine forests, the ecosystems that provide food and shelter for sharks and diverse coastal species.--Forests dont usually come to mind as a habitat for sharks. But marine forests provide a home for 35% of the worlds sha
05:22
Axolotls: The salamanders that snack on each other (but don't die) - Luis Zambrano

487 views / 1 likes - added 2 years ago

Discover the extraordinary regenerative powers of the axolotl, a salamander native to Mexico and one of sciences most studied animals.--Axolotls are one of sciences most studied animals. Why, you ask? These extraordinary salamanders are masters of regener
04:55
Why can't governments print an unlimited amount of money? - Jonathan Smith

236 views / 0 likes - added 2 years ago

Explore the economic strategy of quantitative easing, where a central bank purchases bonds in order to boost the economy.--In March 2020, the COVID-19 pandemic rocked economies worldwide. Millions of people lost their jobs, and many businesses struggled t
05:07
Can you solve the giant spider riddle? - Dan Finkel

355 views / 0 likes - added 2 years ago

Practice more problem-solving at https://brilliant.org/TedEd--Once every century, the worlds greatest spiders gather to compete in a series of grueling games. The winner will become the next arachnomonarch, able to command all the worlds spiders to their
04:57
What makes a language... a language? - Martin Hilpert

233 views / 0 likes - added 2 years ago

Dig into the distinction between a language and a dialect, and uncover the history of standardized languages.--Outside of China, Mandarin and Cantonese are often referred to as Chinese dialects, despite being even more dissimilar than Spanish and Italian.
15:29
Kid SNEAKS CANDY Into The MOVIES ft. @Cole LaBrant | Dhar Mann

613 views / 1 likes - added 2 years ago

WATCH Cole LaBrant's video here: https://youtu.be/sYYBFrSY57A WATCH Behind The Scenes for this video here: https://youtu.be/FC4NhILCVzM Download my FREE mobile app App Store = https://apple.co/3nhvjapGoogle Play = https://bit.ly/3DRzS1I Don't forget to SU
A loyal dog helps his master turn sheep's wool into clouds. | After the Rain

181 views / 0 likes - added 2 years ago

Subscribe for the world's best short films: http://sub2.omele.to Get some merch: http://shop.omele.toAfter the Rain is used with permission from Valerian Desterne in partnership with MyFrenchFilmFestival. Learn more at http://omele.to/2u0Qs0n.THE BEST OF
18:35 Popular
MEAN GIRL Humiliates QUIET TEEN, What Happens Next Is Shocking | Dhar Mann

712 views / 1 likes - added 1 year ago

Download my FREE mobile app App Store = https://apple.co/3nhvjapGoogle Play = https://bit.ly/3DRzS1I Don't forget to SUBSCRIBE to my channel by clicking here http://bit.ly/DharMannYouTube **Make sure you CLICK THE BELL ICON so you can get notifications wh
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What Does IQ Actually Measure?

212 views / 0 likes - added 8 months ago

IQ is supposed to measure intelligence, but does it? Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.If youre looking for a molecular modeling kit, try Snatoms a
27:28
MUSICIAN Is SHAMED For BEING TOO UGLY ft. Oliver Tree | Dhar Mann Studios

236 views / 1 likes - added 5 months ago

Don't forget to SUBSCRIBE to my channel by clicking here https://www.youtube.com/channel/UC_hK9fOxyy_TM8FJGXIyG8Q?sub_confirmation=1 Watch my favorite videos: https://www.youtube.com/playlist?list=PLnBCOhf_VBTVGGC7OryYH7wO87PCostB3CONNECT WITH OLIVER TREE
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Teacher's SECRET PAST Gets Her FIRED, What Happens Next Is Shocking | Dhar Mann Studios

327 views / 0 likes - added 4 months ago

Don't forget to SUBSCRIBE to my channel by clicking here https://www.youtube.com/channel/UC_hK9fOxyy_TM8FJGXIyG8Q?sub_confirmation=1 Watch my favorite videos: https://www.youtube.com/playlist?list=PLnBCOhf_VBTVGGC7OryYH7wO87PCostB3REMEMBER - We're not jus
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Dad COMMITS CRIME To SAVE His DYING Son, What Happens Next Is Shocking | Dhar Mann Studios

177 views / 1 likes - added 3 months ago

Don't forget to SUBSCRIBE to my channel by clicking here https://www.youtube.com/channel/UC_hK9fOxyy_TM8FJGXIyG8Q?sub_confirmation=1 Watch my favorite videos: https://www.youtube.com/playlist?list=PLnBCOhf_VBTVGGC7OryYH7wO87PCostB3REMEMBER - We're not jus

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