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It's Okay to Be Smart
Blood Types Are Weirder Than You Think
Season 13
Episode 8
Across life on Earth, blood comes in blue, green, purple, even clear. But why? And what makes your blood different from mine? This is the strange world of blood—what it does, why it varies, and why we can’t live without it.
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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.
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?
