Search Results for: Dolphins

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452 results

452 results for: Dolphins

  1. Life

    Life

    A look at killer dolphins, plus hibernating plankton, growing mammal brains and more in this week’s news.

    By Science News

  2. Letters

    Lowdown on Earth’s heat “Science Stats” (SN: 8/27/11, p. 4) understates the power Earth radiates into space and mistakenly suggests that Earth radiates more energy from internal sources than it receives from the sun. The total (44 trillion watts) shown in your diagram must represent only the minuscule percentage (about 0.02 percent) from internal energy […]

    By Science News

  3. 2011 Science News of the Year: Life

    Multicellular life from a test tube In less than two months, yeast in a test tube evolved from single-celled life to bristly multicellular structures. The new, snowflakelike forms act like multicellular organisms, reproducing by splitting when they reach large sizes and evolving further in response to harsh conditions, William Ratcliff of the University of Minnesota, […]

    By Science News
  4. Animals

    Furry Friends Forever

    Humans aren’t the only animals who benefit from having someone to count on.

    By Susan Gaidos
  5. Health & Medicine

    Body & Brain

    The brain sleeps in shifts, plus thinking better with folate, how brains feel the beat and more in this week's news.

    By Science News
  6. Health & Medicine

    Dolphins may offer clues to treating diabetes

    Insulin-resistance switch helps maintain glucose levels in dolphin brains, suggesting possible clues to treating diabetes in people.

    By Rachel Ehrenberg
  7. Life

    Help, elephants need somebody

    In pull-together tests, pachyderms are on par with chimps in understanding the basics of cooperation.

    By Susan Milius
  8. Life

    Life

    A spider that's drawn to smelly socks, plus more in this week's news

    By Science News

  9. From sleep to science literacy at the 2010 AAAS meeting

    Read Science News' complete coverage of the American Association for the Advancement of Science meeting held February 18–22, 2010 in San Diego, Calif.

    By Science News
  10. Humans

    Water’s Edge Ancestors

    Human evolution’s tide may have turned on lake and sea shores.

    By Bruce Bower
  11. Earth

    Ancient marine reptiles losing their cool

    Warm-bloodedness may help explain the creatures’ evolutionary success, a new study suggests.

    By Sid Perkins

  12. 3-D Explorer Oceans: A Journey from the Surface to the Seafloor by Jen Green

    3-D Explorer Oceans: A Journey from the Surface to the Seafloor by Jen Green Pop-up scenes, photos and illustrations portray colorful life in the sea’s depths. Silver Dolphin Books, 2009, 32 p., $17.95. 3-D EXPLORER OCEANS: A JOURNEY FROM THE SURFACE TO THE SEAFLOOR BY JEN GREEN

    By Science News