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  • How Close Are We to Resurrecting Extinct Species?

    Bringing extinct animals back to life sounds like science fiction, but gene-editing techniques are making it possible.

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  • Zombie Cells Are Hiding in Your Body, Could Killing Them Stop Aging?

    After killing senescent "zombie" cells in mice, researchers were able to extend the mice's lives by 25%. But what are these hidden cells?

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  • We Could Harvest Electricity from Human Tears, This Is How It Works

    New research has found that an enzyme in tears can be used to generate electricity. Here's everything you need to know.

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  • How Close Are We To Curing HIV/AIDS?

    Scientists have been fighting nearly 40 years to improve the death toll of HIV and AIDS, but are they getting any closer to a cure?

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  • Do You Have ADHD or Are You Just Tired?

    A new study suggests that ADHD might actually be a sleep disorder-- a suggestion that, if true, could revolutionize the way we treat it.

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  • Does It Matter Which Color Egg You Buy? (Why Are They Different?)

    Ever wondered why some eggs are different colors? There's a lot more science behind it than you might think.

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  • What Really Happens When Galaxies Collide

    The Milky Way is on a crash course with the Andromeda galaxy, but what would a galactic collision actually look like?

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  • How Close Are We to Photographing a Black Hole?

    What does a black hole look like? No one knows for sure. Artists make their images based on what physicists think they look like.

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  • Doctors Have to Trick Your Brain's Defenses to Heal You, Here's Why

    Your body keeps your brain and your blood separate to filter out toxins and viruses. However, this barrier might be too good at its job.

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  • Faster and More Powerful Satellite Internet Is on Its Way, Here's How

    The ViaSat-2 satellite could provide a continuous internet connection from North America to Europe. Here's how this massive satellite works.

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