5,114 results
5,114 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.
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Drugs order bacteria to commit suicide
Seeking to explain how antibiotics work, scientists find a protein that commands bacteria to kill themselves.
- 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
HIV sexual spread exploits immune sentinels
The virus that causes AIDS latches onto a protein called DC-SIGN to hitch a ride on immune cells in mucus membranes and spread through the body.
- Health & Medicine
Cell mixture attacks pancreas tumors
White blood cells injected into patients with pancreatic tumors incite an immune response that blunts the cancer in some patients and extends survival.
