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What is a Complete Breakfast?

What is a Complete Breakfast?

Season 2 Episode 42
3:57
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What is Addiction?

Season 2 Episode 44
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How to Cookie with Science

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Season 2 Episode 46
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Season 2 Episode 47
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Season 2 Episode 49
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What Happens When You're About to Die?

Season 2 Episode 50
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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.

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