All Stories

  1. Humans

    Settling the Americas

    Scientists have a new theory about when and how people first migrated from Asia to the New World.

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  2. Animals

    Cool penguins

    Climate change and warmer waters could threaten the survival of king penguins.

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  3. Health & Medicine

    Baby number whizzes

    The brains of very young babies have a sense of numbers.

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  4. Animals

    Why cats nap and whales snooze

    Animals need sleep and sometimes achieve it under what we'd consider extraordinary conditions.

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  5. Animals

    Hearing whales

    At least one type of whale hears by using its jaw and throat to bring sound to its ears.

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  6. Animals

    New elephant-shrew

    Researchers have discovered a species of elephant-shrew that is entirely new to science.

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  7. Health & Medicine

    The essence of celery

    Tasteless compounds in celery give the vegetable essential flavoring powers.

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  8. Health & Medicine

    Healing honey

    Cough medicines don't work and they can have unpleasant side effects. Doctors are starting to recommend honey instead.

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  9. Physics

    Powering ball lightning

    A new study might help explain what fuels bouncing balls of fire that occasionally form in nature.

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  10. Animals

    The secret lives of grizzlies

    By studying grizzlies in captivity, scientists are gaining insights into how bears—and their hearts—tick.

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  11. Health & Medicine

    Heart revival

    Scientists have found a way to transform a rat's dead heart into a living one.

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  12. Health & Medicine

    Memory by hypnosis

    Scientists are using hypnosis to better understand how the brain remembers—or doesn't.

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