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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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13:39
No flying animal alive today comes close to their huge size.

13:44
Why do viruses like SARS-CoV-2 happen and why are they becoming more frequent?

9:57
Learn about this Nature Challenge.

2:13
Evolution has given us the gifts we need to survive this difficult time. Here's how.

10:52
Celebrating 30 years of the Hubble Space Telescope.

9:52
Let’s dig into our evolutionary past to try and find an answer.

13:12
Here’s the science of handwashing!

7:35
Stay informed. Stay cautious, but not scared.

12:19
Do the supposed advantages for springing forward and falling back hold up?

8:23
The sunlight we see is tens of thousands of years old. How is that possible?

8:19
If humans are so smart, why are our babies so… un-smart?

6:28
How will we do a Green Revolution 2.0?