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.

  • Can Water Naturally Flow Uphill?

    Can Water Naturally Flow Uphill?

    March 26, 2017 | Article

    Earth's gravity is strong, but can water ever naturally go against it and flow uphill?
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  • How Often Do Ice Ages Happen?

    How Often Do Ice Ages Happen?

    March 25, 2017 | Article

    The last ice age led to the rise of the woolly mammoth and the vast expansion of glaciers, but it's just one of many that have chilled Earth throughout the planet's 4.5-billion-year history.
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  • Why Are Pandas Black and White?

    Why Are Pandas Black and White?

    March 12, 2017 | Article

    The giant panda's distinctive black-and-white fur makes it one of the most recognizable animals on the planet. But why does it have this unique coloring?
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  • Why Do Songs Get Stuck in Your Head?

    Why Do Songs Get Stuck in Your Head?

    March 05, 2017 | Article

    No one really knows what the brain is doing when it insists on rehearsing Lady Gaga's "Bad Romance" on loop, but some songs may be stickier than others.
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  • Does Gasoline Go Bad?

    Does Gasoline Go Bad?

    March 04, 2017 | Article

    Has it been a while since you moved your car? Do you have leftover fuel in your garage for the lawn mower? If so, you may wonder, does gasoline go bad?
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  • What Was the First Life on Earth?

    What Was the First Life on Earth?

    March 01, 2017 | Article

    The earliest evidence for life on Earth arises among the oldest rocks still preserved on the planet, dating back some 4 billion years.
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  • Why the Octopus Lost Its Shell

    Why the Octopus Lost Its Shell

    March 01, 2017 | Article

    The ancestors of octopuses and squid once sported hard shells, but when did they lose their "mobile homes" and become agile, soft-bodied swimmers? A new study finds that this change may have occurred during the Jurassic and Cretaceous periods.
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  • The 18 Biggest Unsolved Mysteries in Physics

    The 18 Biggest Unsolved Mysteries in Physics

    February 27, 2017 | Countdown

    The more we learn about the universe, the more questions seem to arise. Our picks for the biggest open questions remaining in physics.
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  • Could a Spacecraft Fly to the Sun?

    Could a Spacecraft Fly to the Sun?

    February 26, 2017 | Article

    Humans have sent spacecraft to the moon, the red planet Mars and even distant interstellar space, but can we send a spaceship to the scorching sun?
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  • Are Viruses Alive?

    Are Viruses Alive?

    February 25, 2017 | Article

    Viruses are infectious, tiny and nasty. But are they alive?
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