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113,200+ results

113,200+ results for:

  1. Cosmology

    Everlasting light

    Remnant glow of ancient stars offers glimpse of universe's past.

    By Alexandra Witze
  2. Humans

    Not really nine months

    Gestation length varies greatly.

    By Science News
  3. Earth

    Life under ice

    Lake Vostok may harbor ingredients for a complex subglacial ecosystem.

    By Rachel Ehrenberg
  4. Humans

    How We Do It

    The Evolution and Future of Human Reproduction by Robert Martin.

    By Cristy Gelling
  5. Psychology

    What Makes a Hero?

    The Surprising Science of Selflessness by Elizabeth Svoboda.

    By Sid Perkins
  6. Earth

    Breakups maintain barchan dune fields, somehow

    Two new theories try to explain how the crescent-shaped sand mountains persist.

    By Erin Wayman
  7. Life

    Bats can carry MERS

    DNA of a deadly respiratory virus has been found in a Saudi Arabian mammal.

    By Tina Hesman Saey
  8. Earth

    Millions in China at risk of exposure to arsenic-tainted water

    Simulation shows possibly contaminated areas and predicts populations at risk.

    By Erin Wayman
  9. Astronomy

    ‘Space beads’ push back origins of iron working

    Ancient Egyptians used advanced techniques to make beads out of 'metal from the sky.'

    By Bruce Bower
  10. Astronomy

    To determine stars’ physical traits, Kepler sees the light

    Measuring stellar brightness can yield useful estimates of stars' size and evolutionary stage, and help in the hunt for planets.

    By Andrew Grant
  11. Life

    Natural antifreeze prevents frogsicles

    Sugar and other chemicals keep Alaskan frogs from freezing completely.

    By Meghan Rosen
  12. Animals

    For sheep horns, bigger is not better

    Trade-offs between studliness and survival keep less endowed sheep in the mix.

    By Jessica Shugart