Vol. 189 No. 6
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More Stories from the March 19, 2016 issue

  1. Health & Medicine

    Lead’s damage can last a lifetime, or longer

    Scientists have known for decades that lead is toxic to the brain, but the mark lead exposure leaves on children may actually stretch into adulthood, and perhaps even future generations.

  2. Astronomy

    Black hole heavyweights triggered gravity wave event

    Those gravity waves came from two black holes more massive than any known outside a galactic core and formed in an environment different than the Milky Way.

  3. Humans

    Human DNA found in a Neandertal woman

    Interbreeding between humans and Neandertals happened earlier than thought, leaving traces in the Neandertal genome.

  4. Materials Science

    New carbon cluster has high storage capacity

    A new carbon structure could store gases or liquids in honeycomb-shaped cells.

  5. Archaeology

    Easter Island people used sharpened stones as tools, not weapons

    Sharp-edged stone tools enabled daily survival, not warfare, on Easter Island.

  6. Agriculture

    FDA to test foods for controversial herbicide

    Amid controversy and conflicting studies, the FDA will test food for glyphosate, the most widely used herbicide in the world.

  7. Health & Medicine

    Vaginal ring somewhat effective at preventing HIV infection

    Studies of vaginal ring for HIV protection show promise, challenges.

  8. Oceans

    Gulf oil spill could hasten corrosion of shipwrecks

    Oil from the Deepwater Horizon disaster could hasten the corrosion of historical shipwrecks in the Gulf of Mexico, new studies of marine microbes suggest.

  9. Oceans

    Corals need to take their vitamin C

    Newly settled corals use vitamin C to help build their stony skeletons, researchers propose.

  10. Genetics

    ‘Selfish’ DNA flouts rules of inheritance

    R2d2 is selfish DNA that could skew scientists’ views of adaptation and evolution.

  11. Particle Physics

    Reactor data hint at existence of fourth neutrino

    A nuclear reactor experiment in China is providing new hints that a fourth type of neutrino, one more than the standard model of physics allows, may exist.

  12. Oceans

    Magnetism from underwater power cables doesn’t deter sea life

    High-voltage power cables that ferry electricity across the seafloor do not negatively impact local fish and crabs, new studies show.

  13. Paleontology

    Fossil reveals an ancient arthropod’s nervous system

    A roughly 520-million-year-old fossil preserved an ancient arthropod’s ventral nerve cord and peripheral nerves.

  14. Paleontology

    Free virtual fossils for everyone

    MorphoSource.org archives 3-D images of bones from over 200 genera of both living and extinct animals.

  15. Health & Medicine

    Mind’s healing powers put to the test in new book

    Cure: A Journey Into the Science of Mind Over Body investigates the brain’s role in keeping people healthy.

  16. Animals

    New chameleon has strange snout, odd distribution

    A new species of chameleon from Tanzania echoes the unusual range of the kipunji monkey.

  17. Animals

    Eat your stinkbugs

    Prepared as a snack by some groups in southern Africa, the stinkbug Encosternum delegorguei is a good source of protein and antioxidants.

  18. Neuroscience

    Scientists still haven’t solved mystery of memory

    50 years have refined a basic understanding of the brain, but scientists are still exploring how memories form, change and persist.

  19. Astronomy

    Black hole smashup generated yottawatts of power

    For a split second, LIGO’s black hole collision generated 36 septillion yottawatts of power, or 50 times the power from all the stars in the universe.