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How Long Does It Take a Parked Car to Reach Deadly Hot Temperatures?
May 24, 2018 | ArticleIt's well known that a car parked outside on a hot summer's day can turn into a scorching oven. But how fast does it take the inside of a car to heat up to deadly temperatures?
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Why Is Ice Slippery?
May 21, 2018 | ArticleNo, it's not because there's a thin layer of melted water on the top.
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Why Are Sweaty-Armpit Stains So Dark?
May 18, 2018 | ArticleWhen we spill water down our front, or sweat profusely, our clothes get darker. Why? The fabric isn't actually changing colors in real time. Rather, our perception of the fabric's color is changing.
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Why Do Some Fruits and Vegetables Conduct Electricity?
May 16, 2018 | ArticleMany people may think it's amazing that a simple piece of produce can conduct electricity. As it turns out, that's not the whole story.
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Is It Possible to Predict Earthquakes?
May 15, 2018 | ArticleHow do scientists know when an earthquake is expected to hit an area?
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Who Invented Bread?
May 11, 2018 | ArticleUnlike chocolate chip cookies or tomato soup, the invention of bread can't be pinned down to a single person or people; instead, it evolved to its present state over the course of millennia.
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What's the Most Massive Object in the Universe?
May 10, 2018 | ArticleHint: It holds 3.3 trillion stars.
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How Is Uranium Enriched?
May 08, 2018 | ArticleOnly a certain type of uranium works in nuclear reactors and bombs. Separating that type from the more common kind requires a great deal of engineering skill.
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Can Animals Predict Earthquakes?
April 30, 2018 | ArticleCan cats, dogs or other animals predict earthquakes?
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