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.

  • How Would Just 2 Degrees of Warming Change the Planet?

    How Would Just 2 Degrees of Warming Change the Planet?

    April 29, 2017 | Article

    The Earth is home to a range of climates, from the scorching dunes of the Sahara to the freezing ridges of Antarctica. Given this diversity, why are climate scientists so alarmed about a worldwide temperature increase of just 2.7 degrees Fahrenheit?
    Read More

  • How Much Do Cats and Dogs Remember?

    How Much Do Cats and Dogs Remember?

    April 08, 2017 | Article

    Pet cats and dogs can remember the location of their food bowls and sometimes even how to perform tricks or find their way home. But just how good (or bad) are these fur balls at remembering the minutia of their days?
    Read More

  • Why Is Hydrogen the Most Common Element in the Universe?

    Why Is Hydrogen the Most Common Element in the Universe?

    April 01, 2017 | Article

    Here's why hydrogen is so common in our universe.
    Read More

  • 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?
    Read More

  • 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.
    Read More

  • 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?
    Read More

  • 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.
    Read More

  • 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?
    Read More

  • 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.
    Read More

  • 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.
    Read More