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What is a Complete Breakfast?

What is a Complete Breakfast?

Season 2 Episode 42
3:57
What is Addiction?

What is Addiction?

Season 2 Episode 44
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How to Cookie with Science

How to Cookie with Science

Season 2 Episode 46
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How Pee Brought You The Modern World

How Pee Brought You The Modern World

Season 2 Episode 47
3:43
What is the Blackest Black?

What is the Blackest Black?

Season 2 Episode 49
3:22
What Happens When You're About to Die?

What Happens When You're About to Die?

Season 2 Episode 50
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How to Survive a Real-Life "Fallout"

How to Survive a Real-Life "Fallout"

Season 2 Episode 52
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Do Vitamin Supplements Really Work?

Do Vitamin Supplements Really Work?

Season 2 Episode 53
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Reactions

How to Stay Awake Without Caffeine

Season 2 Episode 41

Reactions is telling you how to stay awake with science. You’re tired and you need an energy boost, but you don’t want the jitters from caffeine. What to do? We give you some chemistry-backed tips — one of which involves cats — to boost your productivity and stay awake without refilling the coffee cup.