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It's Okay to Be Smart
Inside the Largest Living Thing On Earth
Season 9
Episode 14
The biggest thing that has ever lived on Earth… is a tree? Hard to believe, but it’s true. Travel with me to the Rocky Mountains of Colorado to go inside the most massive species on our planet, and learn what unique and special evolutionary adaptations let them get so big.
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11:24
I look at a few of the most famous incorrect factoids in science.

7:21
What is ”egg-shaped” even?

16:07
Blind YouTuber Molly Burke shows Joe Hanson a new way to see.

5:27
Walk into any forest, and beneath your feet is what helps make life on Earth possible.

10:26
It never gets dark anymore. Not REALLY dark, anyway.

10:25
Fifty years ago, we sent the first astronauts to walk on the moon’s face.

9:43
Could You Be a Chimera?

11:12
The Art of Gene-Editing Butterflies (Painting with CRISPR!)

5:37
How does eye color work?

5:55
One million species may be at risk of extinction.

10:30
How do astronauts actually drink coffee in space,

8:35
We’ve all gotten dizzy before… but have you ever gotten WEIRD DIZZY?