Life's Little Mysteries

Life's Little Mysteries answers fascinating questions about the world around you and the stuff in it, from things in the news and on your mind to crazy questions you didn't even know you had.

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Why Do Book Pages Turn Yellow Over Time?

September 22, 2018 | Article

If you look at old newspaper clippings, aging paper documents and books that are past their prime, you'll notice that they likely have a yellow tinge. But why do old paper products turn this golden hue?
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Why Does OJ Taste Bad After You Brush Your Teeth?

September 18, 2018 | Article

There's nothing like a fresh, tangy glass of orange juice to go with your morning oatmeal. But if you've just brushed your teeth, you may find that the beverage tastes … less than delicious.
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If You Throw a Compostable Cup in the Trash, Does It Still Break Down?

September 17, 2018 | Article

Compostable products are all the rage these days. But what happens to these items — including compostable straws and silverware — when they're thrown into a landfill instead of a compost heap?
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Does Drinking Milk Make Your Body Produce More Mucus?

September 07, 2018 | Article

A persistent myth about milk — that drinking it can lead to the production of more gooey mucus in your body's airways — is completely false, a new review finds.
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Which Is Rarer: Gold or Diamonds?

August 28, 2018 | Article

Diamonds are forever, and gold is precious, but which is rarer? And does that rarity have anything to do with the price we see at a jewelry store?
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Why Does the Earth Rotate?

August 26, 2018 | Article

You can thank the solar system's head-spinning early years for Earth's rotation.
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Why Do Dogs Scratch the Ground After They Pee?

August 04, 2018 | Article

Your dog's ground-kicking habit could reveal more about your pet than you think.
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What's the Coldest Place in the Universe?

August 01, 2018 | Article

It's not Miami Beach, if that's what you were thinking. Nor is it the North Pole.
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Why Do Some of Us Shiver When We Pee?

July 28, 2018 | Article

Is there a purpose to pee shivers, or are they simply a biological glitch?
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Should Breast-Feeding Women Really Drink Guinness?

July 21, 2018 | Article

Is beer the route to better breast-feeding?
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