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How Many Stars Are There?

How Many Stars Are There?

Season 3 Episode 22
3:30
%$?# Allergies!

%$?# Allergies!

Season 3 Episode 23
4:44
Is Ultron Inevitable?

Is Ultron Inevitable?

Season 3 Episode 26
7:42
What's The Loudest Possible Sound?

What's The Loudest Possible Sound?

Season 3 Episode 27
3:49
Does The Moon Really Orbit The Earth?

Does The Moon Really Orbit The Earth?

Season 3 Episode 28
2:44
When Will We Stop Using Oil?

When Will We Stop Using Oil?

Season 3 Episode 29
5:10
The Surprising Places We Waste Energy

The Surprising Places We Waste Energy

Season 3 Episode 30
3:26
Are Dinosaurs Extinct?

Are Dinosaurs Extinct?

Season 3 Episode 31
6:05
Which Came First - Flowers or Bees?

Which Came First - Flowers or Bees?

Season 3 Episode 32
5:19
Why Are The Bees Dying?

Why Are The Bees Dying?

Season 3 Episode 33
4:01
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It's Okay to Be Smart

What Color is the Universe?

Season 3 Episode 21

When you stare up at the night sky, you might think that the universe is really black, but that's just because our eyes aren't sensitive enough to see the billions and billions of multicolored stars out there. Ever wonder why certain stars are certain colors? And what color is our sun, really? If we looked at enough stars, could we figure out the average color of the universe?

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Season
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.
Why Do We Lie?
16:43
Explore why we lie if we’re supposed to be the most socially developed species on Earth?
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