6,890 results
6,890 results for: Bears
- Agriculture
Predators zoom in on lice-infested salmon
New research reveals another impact of fish farming on wild stocks.
- Life
Extreme preservation gives fly’s eye view
The cell-by-cell detail of a 45 million-year–old retina is preserved in amber
- Health & Medicine
Telomere enzyme a likely key to longevity
Study with the telomerase enzyme gives mice a longevity boost without high cancer risk.
- Agriculture
Candy cane strategy sweetens life for goldenrods
Goldenrods temporarily duck their heads during pest season
- 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.
- 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.
- 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.
- 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.
