Search Results: "proterozoic aeon"

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09:56
Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon

680 views / 0 likes - added 9 years ago

Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon. Great Oxygenation Event (Oxygen Catastrophe) More free lessons at: http://www.khanacademy.org/video?v=E1P79uFLCMc
13:37 Popular
The History Of Life On Earth - Crash Course Ecology #1

1,247 views / 0 likes - added 8 years ago

With a solid understanding of biology on the small scale under our belts, it's time for the long view - for the next twelve weeks, we'll be learning how the living things that we've studied interact with and influence each other and their environments. Li
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12:24
AGE of UNIVERSE TIME in perspective

209 views / 0 likes - added 2 years ago

Time can be difficult to understand, in this video we try to get an idea of its scale. We will simulate that one second is equal to 1 mm3. The rest of the time scales are beyond comprehension.MY WEBSITESPATREON: https://www.patreon.com/metaballstudiosInst
04:40
What if cracks in concrete could fix themselves? - Congrui Jin

600 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/what-if-cracks-in-concrete-could-fix-themselves-congrui-jin Concrete is the most widely used construction material in the world. It can be found in swat
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04:57 Popular
Why are fish fish-shaped? - Lauren Sallan

1,086 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-incredible-evolution-of-fish-bodies-lauren-sallan In tropical seas, flying fish leap out of the water, gliding for up to 200 meters, before dipping
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01:55 Popular
Life May Have Existed A Billion Years Earlier Than We Thought!

876 views / 0 likes - added 7 years ago

Fossil records stretch back over a billion years, but new research says that complex life may have inhabited Earth even earlier. This Discovery Shows Life Might Have Come From Space - https://youtu.be/TLInopSVn-g Sign Up For The Seeker Newsletter Here - h
28:11
I Hosted The World's Biggest Magic Contest

384 views / 0 likes - added 3 years ago

I hosted the World's Biggest Magic Trick Competition! A few weeks ago I asked How To Magic fans to send in videos of themselves performing their best magic tricks at home... We had nearly 1000 video entries from magicians all around the world for the firs
04:34 Popular
How Many Smells Can You Smell?

816 views / 0 likes - added 9 years ago

How do we smell? Great! Thanks for asking! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram:
10:24 Popular
What the Earth Went Through Before Humans Appeared

793 views / 2 likes - added 5 years ago

What did the Earth look like 4.6 billion years ago? Nope, it wasn't the fancy blue and green ball youre used to. It was more like a giant rock covered in molten lava and constantly bombarded by comets and asteroids. There was no sign of life here yet noth

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