6,899 results
6,899 results for: Bears
- Anthropology
European Roots: Human ancestors go back in time in Spanish cave
Excavations of a cave in northern Spain have yielded a fossil jaw and tooth that provide the first solid evidence that human ancestors reached Western Europe more than 1 million years ago.
- Materials Science
Live Another Day: African insect survives drought in glassy state
When dehydrated, the larvae of an African fly replace the water in their cells with a sugar, which solidifies and helps keep cellular structures intact.
- Earth
Climate fix could deplete polar ozone
Scientists seeking to cool Earth’s climate by injecting sulfuric acid droplets high in the atmosphere might trim rising temperatures but could also destroy much of the ozone in polar regions, a new study suggests.
- Humans
Bear deadline
Court calls for the already overdue decision on listing polar bears as a threatened species.
- Animals
Polar bears listed
Polar bear declared "threatened," but Secretary limits decision's impact.
- Climate
Boreal forests shift north
As forests move northward and to higher elevations, they alter ecosystems and threaten to further heat the Arctic's already warming climate.
- Life
Sepsis buster
The Ashwell receptor, a sugar-binding protein on liver cells, helps fight sepsis by clearing blood-clotting factors. The discovery clears up years of mystery surrounding the receptor’s function.
- Anthropology
They’re fake, Indy!
Scientists find that two rock crystal skulls often attributed to pre-Columbian societies are really modern phonies.
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- 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.
- 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.
- Archaeology
Resurrection of a biblical tree
Date palm pit found at Masada sprouts at age 2,000, becoming the oldest known seed to germinate.
