Vol. 195 No. 2
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More Stories from the February 2, 2019 issue

  1. Animals

    Rebel honeybee workers lay eggs when their queen is away

    A honeybee queen’s absence in the colony triggers some workers to turn queen-like and lay eggs, sometimes in other colonies.

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  2. Physics

    These sound waves can levitate and move particles in new ways

    A new machine that levitates objects using sound waves can manipulate several particles at once.

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  3. Life

    Mice lack stem cells in the heart needed for self-repair

    Adult mice hearts have no stem cells, a study finds. The same may be true for people, and that’s not welcome news for those who’ve had a heart attack.

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  4. Animals

    Invasive asexual midges may upset Antarctica’s delicate moss banks

    Fast-multiplying insects with earthworm powers have invaded Antarctica, and scientists are worried about how their waste could affect the continent.

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  5. Health & Medicine

    A new implant uses light to control overactive bladders

    Experiments in rats show that a new soft device could help alleviate frequent, sudden urges to urinate.

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  6. Planetary Science

    New Horizons shows Ultima Thule looks like a snowman, or maybe BB-8

    Ultima Thule’s snowmanlike shape shows the New Horizons target was probably two space rocks that got stuck together.

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  7. Health & Medicine

    DNA tests of Lassa virus mid-outbreak helped Nigeria target its response

    New technology for analyzing genetic data quickly in the field guided how Nigeria dealt with an outbreak of Lassa fever in 2018.

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  8. Physics

    A weird type of zirconium soaks up neutrons like a sponge

    Zirconium-88 captures neutrons with extreme efficiency, and scientists don’t yet know why.

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  9. Animals

    A protein in mosquito eggshells could be the insects’ Achilles’ heel

    A newly discovered protein found exclusively in mosquitoes may one day help control their numbers.

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  10. Health & Medicine

    Studies can be in vitro, in vivo and now ‘in fimo’ — in poop

    Scientists have coined a new term — “in fimo” — to describe studies focused on feces.

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  11. Astronomy

    Less than a year after launch, TESS is already finding bizarre worlds

    The TESS exoplanet hunter has spotted eight confirmed worlds in its first four months, and several of them are really weird.

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  12. Anthropology

    Paint specks in tooth tartar illuminate a medieval woman’s artistry

    Tooth tartar unveils an expert female manuscript painter buried at a German monastery.

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  13. Cosmology

    A second repeating fast radio burst has been tracked to a distant galaxy

    Astronomers have spotted a second repeating fast radio burst, and it looks a lot like the first.

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  14. Health & Medicine

    This protein may help explain why some women with endometriosis are infertile

    Infertile women with endometriosis have a reduced amount of a protein found to be important for establishing pregnancy in mice, a study finds.

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  15. Neuroscience

    Nerve cells from people with autism grow unusually big and fast

    In some forms of autism, nerve cells develop faster than normal, possibly setting the stage for the disorder, a study finds.

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  16. Animals

    How worm blobs behave like a liquid and a solid

    Blobs of worms flow like a fluid, plop like a solid and fascinate scientists.

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  17. Cosmology

    A cosmic flare called the ‘Cow’ may reveal a new way that stars die

    A burst of light from far away may have been an odd type of exploding star or a white dwarf being eaten by a black hole.

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  18. Health & Medicine

    ‘Good to Go’ tackles the real science of sports recovery

    In ‘Good to Go,’ science writer Christie Aschwanden puts science — and herself — to the test for the sake of sports recovery.

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