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113,345+ results

113,345+ results for:

  1. Life

    Supreme Court lifts restriction on Navy sonar testing

    Justices overturn restrictions that require Navy to stop using sonar when marine mammals are within 2,200 yards of vessels.

    By Dina Fine Maron
  2. Ecosystems

    Costs of Choked-Up Waters

    Scientists tally the economic toll of fertilizing pollutants on water quality.

    By Janet Raloff
  3. Life

    Stone Age gal gets hip

    Researchers have found an approximately 1-million-year-old fossil pelvis that, in their view, indicates that Homo erectus females gave birth to surprisingly big-brained babies.

    By Bruce Bower
  4. Earth

    Minerals evolved along with life

    Turns out, the variety and number of minerals in the solar system and on Earth have increased through time, and some minerals exist because Earth has life.

    By Sid Perkins
  5. Health & Medicine

    Telomere enzyme a likely key to longevity

    Study with the telomerase enzyme gives mice a longevity boost without high cancer risk.

    By Patrick Barry
  6. Space

    Extrasolar planetary system makes pictorial debut

    The first images of a planetary system beyond the solar system are released, while the Hubble Space Telescope snaps a shot of likely planet orbiting a nearby star.

    By Ron Cowen
  7. Life

    Schools make fish smarter

    A study of consensus decision making shows that sticklebacks make wider choices in groups of three or more.

    By Laura Sanders
  8. Humans

    Women’s chromosome division different from men’s

    Using fluorescent markers, scientists are discovering that men and women divide chromosomes differently. The research may help explain Down syndrome and other chromosomal disorders.

    By Tina Hesman Saey
  9. Agriculture

    A Mushrooming Advance

    Human skin isn't the only thing that makes vitamin D upon exposure to the ultraviolet radiation.

    By Janet Raloff
  10. Physics

    Take the time to break quantum encryption

    A time-travel scenario permitted by Einstein’s general theory of relativity offers a bit of possibility for breaking quantum encryption.

    By Rachel Ehrenberg
  11. Health & Medicine

    Gender matters in heart transplants

    Heart transplant recipients who get a gender-matched organ fare better than those receiving mismatched organs.

    By Nathan Seppa
  12. Health & Medicine

    Treating viral heart infections

    Viral heart infections respond to interferon treatment, easing cardiomyopathy in some patients.

    By Nathan Seppa