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How Do Pregnancy Tests Work?

How Do Pregnancy Tests Work?

Season 5 Episode 64
3:16
That Fresh Cut Grass Scent is Really a Signal of Distress

That Fresh Cut Grass Scent is Really a Signal of Distress

Season 5 Episode 65
3:10
Why is Carbon the Key to Life? (On Earth, Anyway)

Why is Carbon the Key to Life? (On Earth, Anyway)

Season 5 Episode 66
4:21
What Causes Auroras?

What Causes Auroras?

Season 5 Episode 67
4:34
Could CBD Make You Fail a Drug Test?

Could CBD Make You Fail a Drug Test?

Season 5 Episode 68
3:43
What is Ringworm and How Do You Get Rid of It?

What is Ringworm and How Do You Get Rid of It?

Season 5 Episode 69
4:11
What Does the Moon Smell Like?

What Does the Moon Smell Like?

Season 5 Episode 70
5:48
How Pee Helped Win the Revolutionary War (Maybe...)

How Pee Helped Win the Revolutionary War (Maybe...)

Season 5 Episode 71
5:09
Can We Make Ocean Water Drinkable -- and Should We?

Can We Make Ocean Water Drinkable -- and Should We?

Season 5 Episode 72
4:13
The Top 5 Strangest Poisons That Can Kill You

The Top 5 Strangest Poisons That Can Kill You

Season 5 Episode 73
4:48
What Happens When You Overdose?

What Happens When You Overdose?

Season 5 Episode 74
5:42
How Do We Fight the California Fires?

How Do We Fight the California Fires?

Season 5 Episode 75
6:26
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How Does Pepper Spray Work?

Season 5 Episode 63

Personal safety is something we all should take seriously. Whether it’s walking down a dark street at night or fighting off grizzly bears on the trail, pepper spray is an effective tool to fend off an attacker and get safely away. We’re taking a look at what’s going on inside these little canisters, and we’ll give you some tips on what to do if you accidentally spray yours.
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The Invisible Tsunami That Killed 1,500 People in One Night
11:28
Season 6 Episode 10
The Invisible Tsunami That Killed 1,500 People in One Night
We investigate how a lake could explode and shoot out a gigantic wave of deadly CO2.
The Terrifying (but Awesome) Science Behind Red Tides
11:39
Season 6 Episode 9
The Terrifying (but Awesome) Science Behind Red Tides
We dive into the science behind this somewhat terrifying, sometimes glowing phenomenon.
The Great MOLASSES Flood of 1919
12:52
Season 6 Episode 8
The Great MOLASSES Flood of 1919
We get into the science behind what created that 25 foot wave!
Challenger: The Real Story of an Avoidable Disaster
14:37
Season 6 Episode 7
Challenger: The Real Story of an Avoidable Disaster
We explain the science behind this tragic, avoidable accident.
The Loneliest Whale
15:21
Season 6 Episode 6
The Loneliest Whale
we bring you the story of the Loneliest Whale and other fascinating mammals.
The Ultimate Coffee Roasting Chemistry Throwdown
10:33
Season 6 Episode 5
The Ultimate Coffee Roasting Chemistry Throwdown
How hard could roasting beans at home really be?
You’re Using Disinfectants Wrong
6:11
Season 6 Episode 4
You’re Using Disinfectants Wrong
Doing these 3 things are critical.
How Does Tear Gas Work?
3:53
Season 6 Episode 3
How Does Tear Gas Work?
And did you know it's not actually a gas? We investigate.
We Surprised a Llama Antibody Researcher with a Llama
2:33
Season 6 Episode 2
We Surprised a Llama Antibody Researcher with a Llama
Scientists are considering some less-conventional approaches to tackle COVID-19.
Why Aren’t COVID Antibody Tests Better?
8:24
Season 6 Episode 1
Why Aren’t COVID Antibody Tests Better?
Learn how these tests work and why a test that’s 96% accurate is actually bad.
How Do Antiviral Drugs Work?
6:53
Season 5 Episode 99
How Do Antiviral Drugs Work?
We called a few virologists to find out.
The Early Plan to Fight COVID with the Polio Vaccine
5:26
Season 5 Episode 98
The Early Plan to Fight COVID with the Polio Vaccine
The COVID-19 pandemic has scientists considering a few less-conventional options.
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