Science and Nature

Reactions

Reactions is a show that uncovers the chemistry all around us. We answer the burning questions you’ve always wanted to ask, blending the worlds of science and every-day life.

Chirality is Just Turtles All the Way Down

12m 2s

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.

Episodes

  • Chirality is Just Turtles All the Way Down: asset-mezzanine-16x9

    Chirality is Just Turtles All the Way Down

    S10 E8 - 12m 2s

    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.

  • Science Doesn't Understand How Ice Forms: asset-mezzanine-16x9

    Science Doesn't Understand How Ice Forms

    S10 E6 - 10m 31s

    This video contains incredible macro footage of supercooled water droplets nucleating ice. All George wanted to do was make a crystal-clear ice cube. Instead, he ended up rediscovering dendritic crystal growth, a beautiful phenomenon first described in the 17th century. You’ll never look at your freezer the same way again.

  • Is There a Quick Fix for Ocean Acidification?: asset-mezzanine-16x9

    Is There a Quick Fix for Ocean Acidification?

    S10 E5 - 13m 12s

    The ocean is getting more and more acidic. Can we solve it by emptying a giant bottle of antacid into the ocean? No… but the idea of lowering the ocean’s acidity in order to decrease global carbon dioxide levels isn’t all bad. Let’s dive into the science behind ocean alkalinization, and how it could be one part of a larger solution to our global climate crisis.

  • I Reinvented a 300-Year Old Drink: asset-mezzanine-16x9

    I Reinvented a 300-Year Old Drink

    S10 E4 - 16m 56s

    Adding milk to an alcoholic drink and then curdling that milk is a 300-year-old preservation technique that was used by none other than Ben Franklin. Join George as he discovers the chemistry that makes this technique so useful, and learn how to make the best espresso martini you’ll ever taste.

  • We Are Made of Star Stuff: asset-mezzanine-16x9

    We Are Made of Star Stuff

    S10 E3 - 10m 13s

    For years, scientists thought some complex molecules could only be formed on Earth. But what if we found these kinds of molecules out in space after all? In this episode of Reactions, we explore new findings that show complex carbon ring structures can be formed in space, and what that might mean for biology, chemistry and our own chemical history!

  • Does Toyota Know Something That We Don’t?: asset-mezzanine-16x9

    Does Toyota Know Something That We Don’t?

    S10 E2 - 12m

    *Note:* the model piston we used in this video shows air and fuel entering the cylinder together. This design was prevalent in engines until roughly the 1990s. These days, air and fuel enter separately. The combustion process and piston movement are the same!

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