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Is gluten good for you, or is gluten bad for you? This video breaks down the chemistry and science behind this controversial food ingredient. Credit: Reactions/American Chemical Society

Are you breathing air molecules that were once exhaled by Caesar, Joan of Arc, or Madame Curie? Why did Albert Einstein try to break into the refrigerator business? In this video, writer Sam Kean, author of science books "Caesar’s Last…

This animation shows how a barometer measures atmospheric pressure.

Anhydrous (water-free) ammonia is the most concentrated nitrogen fertilizer and—as a result—is a critical agricultural chemical for feeding the global human population. This and many other important uses for anhydrous ammonia require it to be…

When it’s time to vote on Election Day, how do you decide on a candidate? In this video, neuroscientist Michael Shadlen explains how our brains secretly do math in order to make decisions. Credit: Columbia University’s Zuckerman Institute

Some ice burns because it’s actually methane trapped in water. This video discusses the chemistry of methane hydrates as a source of energy and a climate change threat. Credit: Reactions/American Chemical Society

This animation shows how chaotic systems are unpredictable because of their extreme sensitivity to their initial conditions.

Who doesn’t love potatoes? This video offers tips for roasting delicious potatoes and along the way describes the chemistry behind achieving their best texture and consistency. Credit: Reactions/American Chemical Society

When temperatures fall along with snow, you know you're in the middle of winter. This video has seasonal advice on keeping your windshield fog-free, getting unstuck from the snow, and even how to make your own hand warmer. [Credit:…

This video examines the science behind the most misunderstood spice in the world: allspice. [Credit: Reactions/American Chemical Society (www.youtube.com/acsreactions)]