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Why Do Fireflies Have Blinky Bottoms?

Why Do Fireflies Have Blinky Bottoms?

Season 5 Episode 23
4:22
How Do Glaciers Move?

How Do Glaciers Move?

Season 5 Episode 26
6:30
When Is It Winter On Other Planets?

When Is It Winter On Other Planets?

Season 5 Episode 29
5:00
How Poop Shapes the World

How Poop Shapes the World

Season 5 Episode 30
3:34
Do You Really Have Two Brains?

Do You Really Have Two Brains?

Season 5 Episode 33
4:20
Why I ❤ PBS

Why I ❤ PBS

Season 5 Episode 11
2:32
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It's Okay to Be Smart

De-Extinction: A Mammoth Undertaking

Season 5 Episode 18

De-extinction, or using the power of modern biotechnology to bring back extinct species like mammoths and dinosaurs, would be cool. But is it really as easy as the movies make it look? Or do the cruel hands of time make it impossible? This week we look at the technical and ethical hurdles behind the science of de-extinction and reverse engineering species that are no longer around.

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Season
How the Zebra Really Got Its Stripes?
13:13
Learn how different animals get their stripes.
How Much Of You Is Alive?
12:05
There are parts of you that are living and dying at the same time. We find out how much.
Why Is Sex a Thing?
12:31
We explore the evolutionary enigma of sex and its existence.
A Brief (Scientific) History of Butts
12:27
This episode is about the science and evolutionary history of...butts.
How Your Brain Makes Its Own Electricity
18:46
How do the neurons in our brain work? Find out here!
Why Are We Warm-Blooded?
11:18
Here's the science behind why humans are warm-blooded.
How Ocean Currents Work (and How We Are Breaking Them)
12:38
This could have devastating effects on our future.
The Transcontinental Burrito Hypertunnel
11:57
We dug a classic doc that tells the story of the transcontinental burrito hypertunnel.
What is Impossible in Evolution?
19:29
We explore all the questions that teach us what's possible in evolution!
The Golden Ratio: Is It Myth or Math?
22:36
Let's find out exactly what is it!
When Is Now?
20:26
Let’s journey from Einstein’s thought experiments about relativity to answer it.
Visualizing Herd Immunity
14:49
We use lots and lots of mousetraps and ping-pong balls to show how this works.
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