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How Trees Pollute the Air (and Why Your Coworker's Scientific Citations Don't Mean They're Right)
Season 10
Episode 14
10:38
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Chirality is Just Turtles All the Way Down
Season 10
Episode 8
L-DOPA is the best drug we have for Parkinson’s disease. If you take L-DOPA and reflect it in a mirror, you get a different molecule: D-DOPA, which does absolutely nothing for Parkinson’s and causes potentially deadly side effects. Making just L-DOPA without D-DOPA is surprisingly hard – so hard that the person who finally figured out how to do it won the 2001 Nobel Prize in Chemistry.
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Why are some heavy metals deadly while others keep us alive?

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Let's explore how fuel cars work and if they're truly sustainable.

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How did something meant to keep you safe end up killing over 100 people?

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We try to find some of the 700 trillion dollars worth of gold in the ocean.

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Bacteria could be what save us from ourselves.

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Are humans destroying the circle of life?

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We show you how two simple changes can turn cardboard-y pizza into award winning pie.

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We discover how the Surfside Condominium—a modern building built in 1981—fail.

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But the furthest we’ve traveled is 7 miles down, so how could we know that?

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Every year more than 1,000 tons of plastic rains down onto national parks and wilderness.

8:05
See what happens when we try to make a strawberry last forever.

7:38
Can it actually stop us from getting wrinkles or skin cancer? We find out!