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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
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
How Does A Canyon Become Grand?

How Does A Canyon Become Grand?

Season 3 Episode 35
4:03
Your Salad Is Trying To Kill You

Your Salad Is Trying To Kill You

Season 3 Episode 36
6:03
Why Are Cicadas So Good At Math?

Why Are Cicadas So Good At Math?

Season 3 Episode 37
5:32
Why Do We Laugh?

Why Do We Laugh?

Season 3 Episode 38
6:03
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It's Okay to Be Smart

%$?# Allergies!

Season 3 Episode 23

Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it’s also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week’s video, you’ll learn why we get allergies, how our immune system turns against us to attack pollen and pets, and why allergies seem to be on the rise in developed nations.

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Season
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?
Glass is Solid… So Why Is It Clear?
5:42
Glass is made of sand, which is a kind of rock. But glass is transparent. We explore why!
Inside the Lab That Invented the COVID-19 Vaccine
11:20
This is how to make a COVID-19 vaccine.
How Ben Franklin Invented a New Science With His Kite
8:01
Do you know the true story of how his famous experiment changed the world?
Why Are There 7 Days In a Week? Explained
15:14
Here’s the true story of one of the oldest human customs still in use today.
Why Geckos Are Sticky Without Being Sticky
8:07
Geckos can grip and climb almost anything almost like they can defy gravity but how?
4 Ways the Universe Might End (All of Them Are Bad)
11:38
The world is going to end and scientists are certain all of this will happen.
The Fastest Animals Are Way Faster Than You Think
12:19
The fastest animal in nature isn't what you think it is. It's way, way smaller than that.
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