6,888 results
6,888 results for: Bears
- Humans
Official Concern: U.N. weighs in on acrylamide toxicity
A United Nations panel concluded that, in fried, grilled, and baked foods, the formation of acrylamide, a carcinogen and nerve poison in rodents, constitutes "a serious problem."
-
From the July 16, 1932, issue
CANADIAN RESEARCH BUILDING READY FOR USE AT OTTAWA “In time of war, prepare for peace” is an adage worthy of being followed in economic conflict such as now grips the world. The impending dedication of Canada’s $3 million laboratory building at Ottawa for its National Research Council is a fitting reminder that research undertaken now […]
-
Bdelloids: No sex for over 40 million years
Researchers find the strongest evidence yet for creatures that have evolved asexually for millions of years.
- Archaeology
Early New World Settlers Rise in East
New evidence supports the view that people occupied a site in coastal Virginia at least 15,000 years ago.
-
Cooperative strangers turn a mutual profit
In social exchanges, monkeys and people often appear to act according to the principle that "one good turn deserves another."
- Tech
Refueling Rockets
Hybrid-rocket fuels—part solid, part liquid—have been around for a half-century, and they may just now be taking off.
- Health & Medicine
Fused cells hold promise of cancer vaccines
A vaccine composed of tumor cells fused to immune cells has helped several people survive advanced kidney cancer.
- Health & Medicine
Federal Government Launches Organic Standards
Though for decades some foods have carried the label “organic,” consumers never could be sure exactly what the term meant. Action by the Department of Agriculture last week should clarify things. USDA USDA On Oct. 21, USDA implemented regulations governing the production and labeling of organic foods. Until now, bodies from state governments to trade […]
- Animals
Hyena androgens exact high cost
Blocking androgens for spotted hyenas before they're born shows that the exposure of a female fetus to male hormones normally takes a heavy physical toll when females bear their own pups.
- Chemistry
Hydrogen: The Next Generation
Researchers are looking for more sustainable ways to generate hydrogen, which burns cleanly but is typically made from fossil fuel.
- Health & Medicine
Kill or Be Killed: Tumor protein offs patrolling immune cells
Many human cancers may evade surveillance by exploiting a protein normally found on certain immune cells.
-
