All Stories

  1. Readers react to mysterious protists, bird brains, more

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  2. Astronomy

    A rare, extremely energetic cosmic ray has mysterious origins

    In 1991, physicists spotted a cosmic ray with so much energy it warranted an ‘OMG.’ Now that energetic particle has a new companion.

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  3. Animals

    These bats are the only mammals known to mate more like birds

    Male serotine bats have penises too large for penetration. To mate, the animals rub their genitals against each other, somewhat like birds’ cloacal kiss.

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  4. Health & Medicine

    A brain-monitoring device may one day take the guesswork out of anesthesia

    The automated device pairing brain activity and dosing kept two macaques sedated for 125 minutes, raising hopes of precision anesthesia for people.

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  5. Animals

    The first embryos from a mammal have now been grown in space

    Mouse embryos in space can develop into clusters of cells called blastocysts. The result is a step toward understanding how human embryos will fare.

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  6. Science & Society

    Why the Thanksgiving myth persists, according to science

    The science of collective memory — and a desire for clear origin stories — may explain the endurance of the Thanksgiving myth despite a messier reality.

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  7. Life

    Crabs left the sea not once, but several times, in their evolution

    A new study is the most comprehensive analysis yet of the evolution of “true crabs.”

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  8. Chemistry

    ‘Most Delicious Poison’ explores how toxins rule our world

    In his debut book, Noah Whiteman tours through chemistry, evolution and world history to understand toxins and how we’ve come to use them.

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  9. Health & Medicine

    50 years ago, scientists suspected that lost sense of smell could be restored

    Cells responsible for humans’ sense of smell can regenerate. Now, research spurred on by the pandemic could help answer questions about the process.

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  10. Health & Medicine

    Why a popular breast cancer drug may be less effective for some Africans

    A genetic variant commonly found in certain African populations appears to impair tamoxifen’s ability to tackle breast cancer.

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  11. Life

    Bonobos, like humans, cooperate with unrelated members of other groups

    Cooperation between unrelated individuals in different groups without clear and immediate benefit was thought to be uniquely human. Its presence in bonobos may help explain its evolution.

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  12. Health & Medicine

    Flint grapples with the mental health fallout from the water disaster

    The water crisis started almost a decade ago. Residents of Flint, Mich., are still healing from the disaster — and caring for their own.

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