6,878 results
6,878 results for: Bears
- Anthropology
Stone Age campers set up separate activity areas
Hominids displayed advanced organizational thinking almost 800,000 years ago
- Life
Dino-era delivery at sea
Genetic determination of gender is linked to live birth and evolutionary success of ancient marine reptiles, study finds.
- Earth
Arctic images declassified
High-res Arctic sea images should be declassified, says National Research Council.
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Unsticking Spirit
Efforts to extract the Mars rover from a sandpit will start November 16, but success is uncertain.
- Humans
Science & Society: News of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in the interface of Science & Society. Follow hotlinks to the full, original stories.
- Space
Largest known planetary ring discovered
Researchers have found a dusty band that circles Saturn and has a radius of more than 12 million kilometers.
- Animals
Fruity whiff may inspire new mosquito repellents
Odors from ripening bananas can jam fruit flies’ and mosquitoes’ power to detect carbon dioxide, a new study finds.
- Earth
Atmospheric rollercoaster followed Great Oxidation Event
Analyses of chromium isotopes in banded iron formations suggest oxygen levels fell for a period after the Great Oxidation Event.
- Climate
U.N effectively locks out reporters, others in Copenhagen
For a year, the United Nations and national leaders have stumped around the world, championing the importance of the Copenhagen climate negotiations. It made this international conclave a must-see destination. And the UN responded by granting accreditation to huge numbers of government officials, UN officials, public-interest groups and journalists. In fact, to almost twice as many individuals as the conference center could hold. And that led to pandemonium today as the UN confronted literally thousands of people waiting to pick up their security badges – people this organization couldn’t or wouldn’t accommodate.
- Anthropology
Contested signs of mass cannibalism
A new study yields controversial evidence of mass cannibalism in central Europe 7,000 years ago.
- Chemistry
2009 Science News of the Year: Molecules
Tangles of collagen IV chains link at globules via sulfur-nitrogen bonding (illustrated above). Credit: Courtesy of Science/AAAS New bond in the basementBasements house hidden treasures — including a chemical bond never before seen in living things. Scientists have discovered that collagen fibers in the basement membrane — a tough, structural layer of cells that surrounds […]
- Computing
Minifridge makes quantum computers last
A new study shows that if ions are kept cool, then the information they hold can be repeatedly manipulated.
