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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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5:42
Glass is made of sand, which is a kind of rock. But glass is transparent. We explore why!

11:20
This is how to make a COVID-19 vaccine.

8:01
Do you know the true story of how his famous experiment changed the world?

15:14
Here’s the true story of one of the oldest human customs still in use today.

8:07
Geckos can grip and climb almost anything almost like they can defy gravity but how?

11:38
The world is going to end and scientists are certain all of this will happen.

12:19
The fastest animal in nature isn't what you think it is. It's way, way smaller than that.

8:57
Let’s learn about how our brains keep track of and try to make sense of time.

12:54
Addressing a few of the most common myths & misunderstandings using scientific evidence.

7:25
Wearing a mask is a cheap and easy way to help stop the spread of COVID-19.

8:11
Why don’t WE have our skeletons on the outside? This is the story of bones!

7:46
Or… maybe the question of what is and isn’t a dinosaur goes deeper than we think?