Vol. 188 No. 4
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More Stories from the August 22, 2015 issue

  1. Genetics

    Mutation-disease link masked in zebrafish

    Zebrafish study shows organisms can work around DNA mutations.

  2. Health & Medicine

    Potential pain treatment’s mechanism deciphered

    Scientists have new insight as to how a class of environment-sensing bone marrow cells can help safely relieve pain.

  3. Plants

    Defense hormones guide plant roots’ mix of microbes

    Plants use salicylic acid to attract some bacteria to roots and repel others.

  4. Physics

    Elusive particle shows up in ‘semimetal’

    Weyl fermions, which resemble massless electrons, have been spotted inside tantalum arsenide. Their discovery comes 86 years after they were proposed.

  5. Life

    Good luck outsmarting a mosquito

    Mosquitoes use their senses in sophisticated combinations and sequences to find you.

  6. Climate

    Carbon dating may soon lead to mismatches

    Carbon released from burning fossil fuels will jeopardize the effectiveness of many carbon dating applications, new research predicts.

  7. Health & Medicine

    Death by brain-eating amoeba is an inside job

    Immune response to brain-eating amoeba may be the real killer.

  8. Genetics

    Research teams duel over Native American origins

    Genetic link between Australia and the Amazon fuels two interpretations of Native American origins.

  9. Neuroscience

    Boosting estrogen, only in the brain

    Scientists have developed a chemical that transforms into the hormone estrogen in the brain, but not the body, of rats.

  10. Paleontology

    Sudden heat spikes did in Ice Age’s mammoth mammals

    Abrupt warming and excessive hunting by ancient humans were responsible for the disappearance of many large mammals, including woolly mammoths, during Earth’s last glacial period.

  11. Paleontology

    Museum fossil links snakes to lizards

    Scientists have discovered the fossilized remains of the first four-legged snake. The fossil bridges the gap between snakes and lizards.

  12. Astronomy

    Kepler telescope identifies new ‘habitable zone’ planet

    A new analysis of data from NASA’s Kepler mission has uncovered a planet orbiting a sunlike star that could be Earth’s “cousin.”

  13. Planetary Science

    Ice flows, haze offer more clues to Pluto’s geology

    New Horizons’ latest data reveal more hints about Pluto’s shrinking atmosphere and possible underground ocean.

  14. Life

    Laser light made inside cells

    Microscopic beads and oil droplets become lasers when implanted into cells.

  15. Life

    Antibody that fights MERS found

    Scientists have isolated a human immune protein that fights the MERS virus in mice.

  16. Planetary Science

    New results from Philae lander offer first close-up of a comet

    Philae’s bouncy journey across comet 67P allowed it to check out two very different sites before taking a detailed look at both the inside and outside of the comet.

  17. Materials Science

    Stretchy fiber lets electrons flow

    Folded layers of carbon nanotubes allow an elastic fiber to conduct electrical current when stretched.

  18. Animals

    Stinkbugs are color conscious when it comes to their eggs

    P. maculiventris moms control the color of their eggs, seemingly pairing darker eggs with darker surfaces.

  19. Animals

    Boa suffocation is merely myth

    Boa constrictors don’t suffocate prey; they block blood flow, says a new study that shatters a common myth about the snakes.

  20. Neuroscience

    A voyage into Parkinson’s disease, led by patient and journalist

    Jon Palfreman’s Brain Storms explores Parkinson’s disease in the past, present and future.

  21. Tech

    Moving exhibit pays tribute to lost space shuttles’ crews

    At Kennedy Space Center, pieces of wreckage from the space shuttles Challenger and Columbia are on public display for the first time.