05:19
Be Smart
The Raisin Bran Effect
Where do you see the Brazil Nut Effect around you?
Where Did Earth's Water Come From?
Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.
Where Did Earth's Water Come From?
Season 6 Episode 14 | 4m 13s
Why is Earth is a blue planet? Because it’s covered in water! Where did Earth’s water come from? Of course, water isn’t unique to our planet. The origin of water traces beyond the solar system to the earliest days of the universe. Here’s the story of the galaxy’s H2O.
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