5,115 results
5,115 results for: seek
- Health & Medicine
Dieting woes tied to hunger hormone
A rise in the appetite-enhancing hormone ghrelin after weight loss may explain why dieters regain pounds.
- Health & Medicine
Transplant Triumph: Cloned cow kidneys thrive for months
Cow kidneys and other tissue made by cloning ward off immune rejection after transplantation into cows.
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The Eyes Have It: Newborns prefer faces with a direct gaze
Only a few days after birth, babies already home in on faces that fix them with a direct gaze and devote less attention to faces with eyes that look to one side.
- Health & Medicine
Dynamite discovery on nitroglycerin
Scientists have found a long-sought enzyme that may be behind nitroglycerin's dilation of blood vessels.
- Astronomy
Visible Matter: Once lost but now found
New observations confirm that most of the visible matter in the universe lies hidden in vast, hard-to-detect gas clouds between galaxies.
- Health & Medicine
Fullness Factor: Gut hormone tells brain the stomach is well fed
A hormone produced by the intestines could be the primary satiety signal sent to the brain.
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Anthrax Stopper: Viral enzyme detects, kills bacterium
A virus that preys upon the anthrax bacterium produces an enzyme that can be exploited to detect and kill the biowarfare agent.
- Materials Science
A Cut above the Ordinary: Low-tech machining yields coveted nanostructure
A new finding that machining of metals imparts a hard, fine-grained structure to turnings and other scraps may lead to less costly but more durable parts for cars and other applications.
- Health & Medicine
Diet Pills: It’s Still Buyer Beware
With some half of the adult U.S. population overweight–many individuals severely so–is it any wonder that the fastest growing segment of the dietary supplement industry is weight-loss aids? Since 1997, sales of diet pills and related supplements have been increasing 10 to 20 percent annually to the point where last year they reached $2 billion. […]
- 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 […]
- Health & Medicine
Acrylamide—From Spuds to Gingerbread
Just in time for the holiday season, the Bavarian Ministry of Health reports finding extremely high concentrations of acrylamide—a chemical that causes cancer in rats—in gingerbread. German chemists turned up acrylamide in a favorite holiday treat: gingerbread. Whether baked at home or fried at a restaurant, all hot-potato products cooked up substantial quantitites of acrylamide. […]
- Health & Medicine
Homing In on Ephedra’s Risks
On Feb. 16, pitcher Steve Bechler of the Baltimore Orioles collapsed while running sprints at the team’s spring-training camp in Florida. He died a few hours later. Subsequent investigation linked the 23-year-old player’s apparent heatstroke with a popular diet aid containing both caffeine and ephedra, a botanical product rich in other natural stimulants. Ephedra plant. […]
