Search Results for: grassland
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Plants
Losing life’s variety
2010 is the deadline set for reversing declines in biodiversity, but little has been accomplished.
By Susan Milius -
Paleontology
Fish death, mammal extinction and tiny dino footprints
Paleontologists in Bristol, England, at the annual meeting of the Society of Vertebrate Paleontology report on fish fossils in Wyoming, the loss of Australia’s megafauna and the smallest dinosaur tracks.
By Sid Perkins -
Health & Medicine
Neandertals, gut microbes and mail-order ancestry tests
Geneticists weigh in during the annual meeting of the American Society of Human Genetics.
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Planetary Science
Seeing the future hot spells
Satellite data could help scientists better predict killer heat waves, such as the one that hit Europe in 2003.
By Sid Perkins -
Climate
Winter birds shift north
More than 170 common North American species are wintering farther north than they did in the past.
By Susan Milius -
Archaeology
Horse domestication traced to ancient central Asian culture
New lines of evidence indicate that horses were domesticated for riding and milking more than 5,000 years ago by members of a hunter-gatherer culture in northern Kazakhstan.
By Bruce Bower -
Anthropology
Peking Man fossils show their age
Scientists have pushed back the age of Peking Man, raising questions about whether Homo erectus trekked to eastern Asia in two separate migrations.
By Bruce Bower -
Earth
Corals, turfgrass and sediments offer stories of climate past and future
Science News reports from San Francisco at the fall meeting of the American Geophysical Union
By Sid Perkins -
Animals
Bird fads weaken sexual selection
There's a new look for a hot male among lark buntings every year.
By Susan Milius -
Life
Gene linked to commitment-phobia
A common gene variation in men is linked to marital crises and less bonding in a study of more than 500 long-term couples.
By Laura Beil