Search Results for: Forests

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5,529 results

5,529 results for: Forests

  1. Health & Medicine

    Aerial War against Disease

    Researchers around the world are catching on to the idea of using satellites to predict where diseases may strike.

    By John Pickrell
  2. Animals

    Wild Hair

    The technique of studying animals through genetic analysis of their fur gained fame with a political furor over lynx, but scientists have applied the technique to many other animals.

    By Susan Milius
  3. Anthropology

    Searching for the Tree of Babel

    Researchers are using new methods of comparing languages to reveal information about the ancestry of different cultural groups and answer questions about human history.

    By John Pickrell
  4. Earth

    The Air That’s Up There

    Researchers are exploring how trees affect the chemistry of the atmosphere.

    By Jessica Gorman
  5. Paleontology

    Ancient wood points to arctic greenhouse

    Chemical analyses of wood that grew in an ancient arctic forest suggest that the air there once was about twice as humid as it is now.

    By Sid Perkins
  6. Materials Science

    Melt-Resistant Metals: Carbon coating keeps atoms in order

    Shrink-wrapped in carbon, nanoscale metal chunks melt at extraordinarily high temperatures, suggesting carbon coatings as a route to higher heat resistance for materials and devices.

    By Peter Weiss
  7. Earth

    A Dam Shame? Project may slam China’s biodiversity

    When the Three Gorges Dam begins to impound the waters of the Yangtze River in China later this year, dozens of mountains and other elevated areas upstream will become islands—an outcome that will probably devastate the rich diversity of species now living along the river.

    By Sid Perkins
  8. Health & Medicine

    Flawed Therapy: Hormone replacement takes more hits

    Elderly women taking estrogen and progestin are more likely to develop dementia, including Alzheimer's disease, and stroke than are women not taking the hormones.

    By Nathan Seppa

  9. Chopping up a microbial tail

    An enzyme made by immune cells destroys the proteins that make up bacterial tails.

    By John Travis
  10. Health & Medicine

    Full-Length Pregnancy: Progesterone product may reduce premature births

    A drug related to the female hormone progesterone helps some pregnant women who are prone to premature birth extend their pregnancies.

    By Nathan Seppa
  11. Earth

    Not So Green? Using hydrogen as fuel may hurt environment

    Replacing fossil fuels with clean-burning hydrogen—considered to be a way to reduce globe-warming carbon dioxide—may create a different set of environmental problems, including larger and longer-lasting ozone holes.

    By Sid Perkins
  12. Astronomy

    Solar Terrain: Revealing the sun’s complex topography

    The sharpest images of the sun ever taken, released last week, show our stellar neighbor’s rugged surface in new and surprising detail.

    By Sorcha McDonagh