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What are Eye Boogers?

What are Eye Boogers?

Season 5 Episode 33
1:47
What is Natto?

What is Natto?

Season 5 Episode 35
4:46
Tardigrades

Tardigrades

Season 5 Episode 37
3:12
How Do You Catch Fruit Flies?

How Do You Catch Fruit Flies?

Season 5 Episode 38
3:16
Do Astronauts Need Sunscreen?

Do Astronauts Need Sunscreen?

Season 5 Episode 39
5:03
How is Leather Made?

How is Leather Made?

Season 5 Episode 41
4:03
Why Does Humidity Feel Gross?

Why Does Humidity Feel Gross?

Season 5 Episode 42
4:55
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Reactions

How Does Double Acting Baking Powder... Doubly Act?

Season 5 Episode 32

Why does baking powder say “double acting” on the container? Is that better than single acting? This week on Reactions, we explain -- with chemistry!

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The Great MOLASSES Flood of 1919
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We get into the science behind what created that 25 foot wave!
Challenger: The Real Story of an Avoidable Disaster
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We explain the science behind this tragic, avoidable accident.
The Loneliest Whale
15:21
we bring you the story of the Loneliest Whale and other fascinating mammals.
The Ultimate Coffee Roasting Chemistry Throwdown
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How hard could roasting beans at home really be?
You’re Using Disinfectants Wrong
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Doing these 3 things are critical.
How Does Tear Gas Work?
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And did you know it's not actually a gas? We investigate.
We Surprised a Llama Antibody Researcher with a Llama
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Scientists are considering some less-conventional approaches to tackle COVID-19.
Why Aren’t COVID Antibody Tests Better?
8:24
Learn how these tests work and why a test that’s 96% accurate is actually bad.
How Do Antiviral Drugs Work?
6:53
We called a few virologists to find out.
The Early Plan to Fight COVID with the Polio Vaccine
5:26
The COVID-19 pandemic has scientists considering a few less-conventional options.
Do Masks Stop COVID-19? (Yes! Here's Why)
9:42
How much could cloth face masks help stop the spread of SARS-CoV-2?
How Did We Get COVID Vaccines So Quickly?
5:37
When can we expect a vaccine against the novel coronavirus?
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