Vol. 191 No. 6
Download PDF Modal Example Archive Issues Modal Example
|
Cover of April 1, 2017 issue

Featured Articles in this Issue

Reviews & Previews

Science Visualized

Notebook

Features

More Stories from the April 1, 2017 issue

  1. Anthropology

    Low-status chimps revealed as trendsetters

    Outranked chimpanzees trigger spread of useful new behaviors among their comrades.

    By
  2. Health & Medicine

    Questions remain about the benefits of taking testosterone

    For men with low testosterone, the pros and cons of taking hormone replacement therapy are mixed.

    By
  3. Genetics

    Human genes often best Neandertal ones in brain, testes

    Differing activity of human and Neandertal versions of genes may help explain health risks.

    By
  4. Life

    Bacteria genes offer new strategy for sterilizing mosquitoes

    Two genes in Wolbachia bacteria could be used to sterilize mosquitoes that transmit Zika.

    By
  5. Animals

    Wild elephants clock shortest shut-eye recorded for mammals

    Among mammals, wild elephants may need the least amount of sleep, new measurements suggest.

    By
  6. Astronomy

    Hydrogen volcanoes might boost planets’ potential for life

    Volcanoes that spew hydrogen could increase the number of potentially habitable planets in the universe.

    By
  7. Earth

    Earth’s mantle may be hotter than thought

    Earth’s mantle is warmer than previously thought, suggests a new experiment that better accounts for water content in rocks.

    By
  8. Computing

    Winning against a computer isn’t in the cards for poker pros

    Poker-playing computers beat professional players at heads-up no-limit Texas Hold’em.

    By
  9. Ecosystems

    If you think the Amazon jungle is completely wild, think again

    Ancient Amazonians partly or fully domesticated fruit and nut trees that still dominate some forests.

    By
  10. Astronomy

    Astronomers detect oldest known stardust in distant galaxy

    The first stardust ever generated in the universe may have been spotted in a distant galaxy, seen as it was 600 million years after the Big Bang.

    By
  11. Neuroscience

    Brain training turns recall rookies into memory masters

    Six weeks of training turned average people into memory masters, a skill reflected in their brains.

    By
  12. Genetics

    Scientists move closer to building synthetic yeast from scratch

    Scientists have created five more synthetic yeast chromosomes.

    By
  13. Earth

    Warming soils may belch much more carbon

    New measurements suggest soils below 15 centimeters deep could play a sizable role in boosting carbon emissions as the planet warms.

    By
  14. Climate

    Changing climate could worsen foods’ nutrition

    Climate change could aggravate hidden hunger by sapping micronutrients from soils and plants, reducing nutrition in wheat, rice and other crops.

    By
  15. Animals

    How one enslaving wasp eats through another

    A wasp that forces oaks to grow a gall gets tricked into digging an escape tunnel for its killers.

    By
  16. Genetics

    In 1967, LSD was briefly labeled a breaker of chromosomes

    Claims that the hallucinogenic drug damaged DNA were quickly rejected. But questions remain about how LSD works.

    By
  17. Physics

    To understand rivers, let physics be your guide

    Where the River Flows unites physics and environmental science to explain Earth’s waterways.

    By
  18. Animals

    Detachable scales turn this gecko into an escape artist

    A new species of gecko evades predators by shedding its scaly armor.

    By
  19. Archaeology

    Ancient dental plaque tells tales of Neandertal diet and disease

    Researchers have reconstructed the diet and disease history of ancient Neandertals.

    By
  20. Particle Physics

    Triplet of high-energy neutrinos detected from unknown source

    The IceCube Neutrino Observatory spotted three neutrinos within 100 seconds that seem to have come from the same place in the sky.

    By
  21. Health & Medicine

    Microcephaly, other birth defects are on the rise since Zika’s arrival

    The rate of certain birth defects is much higher in babies born to Zika-infected mothers in the United States, the CDC reports.

    By
  22. Planetary Science

    Saturn’s ‘Death Star’ moon may not conceal ocean after all

    A lack of cracks on Mimas suggests that the icy moon of Saturn doesn’t conceal a subsurface ocean of liquid water.

    By