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More Stories from the August 5, 2017 issue

  1. photosynthetic bacteria
    Health & Medicine

    New heart attack treatment uses photosynthetic bacteria to make oxygen

    Photosynthetic bacteria can produce oxygen to keep rat heart muscles healthy after a heart attack.

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  2. illustration of Micius satellite
    Quantum Physics

    Quantum satellite shatters entanglement record

    A satellite sent entangled particles to two Chinese cities 1,200 kilometers apart.

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  3. moon snail
    Paleontology

    Ancient attack marks show ocean predators got scarier

    Killer snails and other ocean predators that drill through shells have grown bigger over evolutionary time.

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  4. kid looking at marshmallow
    Psychology

    African farmers’ kids conquer the marshmallow test

    Nso farmers in Cameroon groom kids for self-control that Western peers often lack.

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  5. alpha-synuclein protein in nerve cells
    Health & Medicine

    Protein in Parkinson’s provokes the immune system

    The immune system recognizes parts of a protein linked to Parkinson’s disease as foreign, triggering an autoimmune response.

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  6. vesicle in the bacterium Halothiobacillus neapolitanus
    Life

    Scientists spy on the secret inner life of bacteria

    New images reveal the inner workings of bacteria.

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  7. eggs
    Life

    Flight demands may have steered the evolution of bird egg shape

    An analysis of nearly 50,000 bird eggs finds a link between a species’ egg shape and flight ability.

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  8. Health & Medicine

    Getting a flu ‘shot’ could soon be as easy as sticking on a Band-Aid

    Microneedle patches may make home-based vaccination a reality.

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  9. Lipizzan horse
    Genetics

    Horse version of ‘Who’s your daddy?’ answered

    Genetics and horse pedigrees reveal all modern domestic stallions’ sires.

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  10. climate change economic map
    Climate

    Climate change could exacerbate economic inequalities in the U.S.

    Counties across the United States won’t all pay the same price for climate change, a new simulation predicts.

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  11. petunias
    Plants

    Petunias spread their scent using pushy proteins

    Scent molecules hitch a ride on a particular protein to escape flowers.

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  12. moon false-color image
    Planetary Science

    The moon might have had a heavy metal atmosphere with supersonic winds

    Heat from a glowing infant Earth could have vaporized the moon’s metals into an atmosphere as thick as Mars’, a new simulation shows.

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  13. kelp bed
    Plants

    How to eavesdrop on kelp

    Sounds reverberating through a kelp bed can be linked to environmental factors, suggesting a low-key way to monitor undersea communities.

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  14. wildflower
    Plants

    Hermaphrodite wildflower has its own battle of the sexes

    A new example of sexual conflict shows up in a plant with a troublesome pollinator.

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  15. illustration of new particle
    Particle Physics

    Newfound particle relies on its charm(s)

    First-of-its-kind subatomic particle is composed of two charm quarks and an up quark.

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  16. Denisovan fossil teeth
    Anthropology

    Fossil tooth pushes back record of mysterious Neandertal relative

    A Denisovan child’s fossil tooth dates to at least 100,000 years ago, researchers say.

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  17. Sentinel-1 satellite image of Larsen C
    Earth

    Delaware-sized iceberg breaks off Antarctic ice shelf

    An iceberg about the size of Delaware splintered from the Larsen C ice shelf in one of the largest calving events ever recorded.

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  18. tiny transistor
    Tech

    The incredible shrinking transistor just got smaller

    Tiniest transistor, made with carbon nanotubes, suggests computers aren’t done shrinking down.

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  19. diabetic mice
    Genetics

    50 years ago, diabetic mice offered hope for understanding human disease

    Mice described in 1967 are still helping researchers understand diabetes.

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  20. Allen Telescope Array
    Astronomy

    ‘Making Contact’ chronicles an astronomer’s struggle to find E.T.

    For decades, astronomer Jill Tarter led the hunt for extraterrestrial intelligence, as detailed in a new biography.

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  21. balloon practice
    Astronomy

    Balloons will broadcast the 2017 solar eclipse live from on high

    Astrophysicist Angela Des Jardins is coordinating the first-ever livestream of a solar eclipse filmed from balloons.

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  22. EBLM J0555-57Ab illustration
    Astronomy

    Teensy star vies for title of smallest known

    A Saturn-sized star is one of the smallest yet discovered.

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  23. MACS J1149
    Astronomy

    Astronomers get glimpse of star 9 billion light-years away

    A bright blue star sends its light from two-thirds of the way across the universe, thanks to a chance alignment with a galaxy cluster.

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