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6,875 results for: Bears
- Agriculture
Candy cane strategy sweetens life for goldenrods
Goldenrods temporarily duck their heads during pest season
By Susan Milius - Humans
Taking trophy heads close to home
Members of the prehistoric Nasca culture in southern Peru took trophy heads from their own people rather than from foreigners captured in wars or raids, a new biochemical analysis suggests.
By Bruce Bower - Life
FDA releases guidelines for genetically modified animals
Draft rules lay out policies for approving altered animals, including those used for food.
- Space
Making an impression
In its seventh day after successfully landing on the Red Planet, the Phoenix Lander digs its first trench and is ready to start its ice-hunting.
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The iron record of Earth’s oxygen
Scientists are decoding the geological secrets of banded iron formations.
By Sid Perkins - Space
Dispatch from Mars, Sol 9
The Phoenix Lander's robotic arm scoops its first experimental sample, and scientists prepare to start their scientific studies on the Martian soil.
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Limiting Damage: Fragile X symptoms modulated in mice
Reducing activity of a gene in mice alleviates many of the symptoms of fragile X syndrome, a genetic defect that causes mental retardation in people.
- Life
How the snake got its fangs
A study of snake embryos suggests that fangs evolved once, then moved around in the head to give today’s snakes a variety of bites.
By Amy Maxmen - Humans
Stone Age innovation out of Africa
Researchers have dated two innovative Stone Age tool industries in southern Africa that may have helped spur human migrations out of Africa.
By Bruce Bower -
Science News at AAAS 2009
The American Association for the Advancement of Science is holding its annual meeting February 12 through 16 in Chicago. Leading researchers from all fields will discuss recent work and insights. Check here for the latest news from the SN writers attending the meeting.
By Science News - 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 - Humans
BOOK REVIEW | Naked in the Woods: Joseph Knowles and the Legacy of Frontier Fakery
Review by Davide Castelvecchi.