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12:17 Popular
High Mass Stars: Crash Course Astronomy #31

973 views / 1 likes - added 8 years ago

Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The shock wave, together with a huge swarm of neutrinos,
12:57 Popular
Neutron Stars: Crash Course Astronomy #32

785 views / 1 likes - added 8 years ago

In the aftermath of a 8 – 20 solar mass star’s demise we find a weird little object known as a neutron star. Neutrons stars are incredibly dense, spin rapidly, and have very strong magnetic fields. Some of them we see as pulsars, flashing in brightness as
15:35
Galaxies, Part 2: Crash Course Astronomy #39

668 views / 0 likes - added 8 years ago

Active galaxies pour out lots of energy, due to their central supermassive black holes gobbling down matter. Galaxies tend not to be loners, but instead exist in smaller groups and larger clusters. Our Milky Way is part of the Local Group, and will one da
03:28 Popular
Flower Math Problem - Adults Stumped By Question For Kids In China

1,388 views / 2 likes - added 7 years ago

This problem is said to come from a test given to a Chinese kindergarten class (5 year olds). It was posted online and caused a lot of debate as adults were stumped about the correct answer, some saying it is impossible. Can you figure it out? This video
04:56 Popular
How Do We Know the Age of the Earth?

824 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Head to www.acs.org/ncw30years to find out more about National Chemistry Week! The Earth is 4.565 billion years old, give or take a few million years. How do scientists know that? Since there’s no “established in” pla
09:18
The Whole Saga of the Supercontinents

547 views / 0 likes - added 6 years ago

The study of natural history is the study of how the world has changed but Earth itself is in a constant state of flux -- because the ground beneath your feet is always moving. So if we want to know how we got here, we have to understand how "here" got he
04:25 Popular
How Do We Stop Asteroids From Destroying Us? | Life Noggin On Stage!

984 views / 2 likes - added 6 years ago

If an asteroid threatens Earth, how do we go about stopping it? Watch more: What Makes Sleep Paralysis So Terrifying? ►► https://www.youtube.com/watch?v=e1sCa5Tu1fs&list=PL8L0MzSk_V6JtEDRfRMyb6rFd1acqYSlO&t=0s&index=1 Subscribe: https://bit.ly/SubLifeNogg
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Entering Austria’s Painted Crypt

390 views / 0 likes - added 5 years ago

Founded in 1144, Austria’s Altenburg Abbey welcomes visitors with its aesthetic splendors. Not to be missed is its unusually beautiful crypt, a space adorned with frescoes painted by Paul Troger. But don’t let this light-strewn, cheerfully hued room fool
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How Blood Evolved (Many Times)

548 views / 0 likes - added 5 years ago

Blood is one of the most revolutionary features in our evolutionary history. Over hundreds of millions of years, the way in which blood does its job has changed over and over again. As a result, we animals have our familiar red blood. But also blue blood.
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The Ghostly Origins of the Big Cats

490 views / 0 likes - added 5 years ago

Learn more about ExpressVPN: https://www.expressvpn.com/eonsAll of todays big cat species evolved less than 11 million years ago and yet their evolutionary history remains an almost total mystery. But scientists have recently discovered a major clue about
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Why beef is the worst food for the climate

296 views / 0 likes - added 3 years ago

Avoiding high-emission foods can have a bigger climate impact than any other consumption change.Become a Video Lab member! http://bit.ly/video-labOur consumption habits emit billions of tons of greenhouse gases into the atmosphere. Our diets account for o
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Compound Eyes: See Like a Dragonfly! | Amazing Animal Senses | SciShow Kids

337 views / 0 likes - added 2 years ago

Jessi and Squeaks learn all about how dragonflies see - did you know they have thousands of eyes?!Hosted by: Jessi Knudsen Castaeda----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https://www.patreon.com/scishowIf you h
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The Amazing Power of Magnets | SciShow Kids Compilation

88 views / 0 likes - added 6 months ago

In this SciShow Kids compilation, Jessi and her friends at The Fort play with magnets and learn about how both animals and people use them to find their way around. ----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https
06:48
Why Are These Frogs So Colorful? | SciShow Kids

92 views / 0 likes - added 6 months ago

Join Squeaks as he learns about some of the most colorful animals ever: poison dart frogs! Some animals are bright and colorful to warn other animals that they might be dangerous... and some are just copycats.Hosted by: Jessi Knudsen Castaeda (she/her/the

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