Uncategorized

  1. Speech loses beat in dyslexia

    The severe reading disorder known as dyslexia may involve an inability to perceive a critical rhythmic beat that separates parts of spoken words.

    By Bruce Bower
  2. Health & Medicine

    Ulcer bug linked to stroke

    Potent strains of an ulcer-causing bacterium may also trigger strokes.

    By Damaris Christensen
  3. Health & Medicine

    Lab tool may spawn new antiviral drugs

    Short strands of RNA can be used to stop viruses such as HIV.

    By John Travis
  4. Health & Medicine

    Breast-feeding has protective bonus

    Breast-feeding appears to help ward off breast cancer.

    By Damaris Christensen
  5. Materials Science

    New gel could lead to cartilage repair

    A new scaffold material that contains cartilage cells and encourages their growth could help scientists create living tissue replacements suitable for treating osteoarthritis and sports injuries.

    By Jessica Gorman
  6. Materials Science

    Gems of War

    While international bodies grapple with regulatory schemes to stem the diamond trade that funds ongoing civil conflicts in African countries, scientists are attempting to develop methods for identifying gems from conflict zones.

    By John Pickrell
  7. Tech

    Shrinking toward the Ultimate Transistor

    Scientists demonstrate transistor action in an atom—or two.

    By Peter Weiss
  8. Humans

    From the August 6, 1932, issue

    WEIRD STINK-BUG PARENTS PRODUCE CURIOUS EGGS “Like parent, like child,” is one of the oldest and best-known folk-proverbs. It holds outside the human realm, too. For instance, the pair of stink-bugs which Cornelia Clarke’s magnifying camera lens caught for the cover of this issue of the Science News Letter are weird enough little monsters, in […]

    By Science News
  9. Health & Medicine

    Obesity and Genetics

    Studies show that genes are a significant factor in developing obesity. The Centers for Disease Control and Prevention provide an online guide to the problem of obesity and insights into current research on the genetics of obesity. Go to: http://www.cdc.gov/genomics/training/perspectives/obesity.htm

    By Science News
  10. Animals

    Hyena androgens exact high cost

    Blocking androgens for spotted hyenas before they're born shows that the exposure of a female fetus to male hormones normally takes a heavy physical toll when females bear their own pups.

    By Susan Milius
  11. Animals

    Deer littermates have different dads

    Twin fawns may not have the same dad—the first time multiple paternity has turned up in a large, free-ranging hoofed mammal.

    By Susan Milius

  12. Barks are more than just “Hey, you!”

    Computer analysis of thousands of dog barks suggests that our best friends may be signaling more than just a generalized "Hey you!"

    By Susan Milius