6,170 results
- Health & Medicine
Upsetting a Delicate Balance: One gene may underlie various immune diseases
One form of an immune-system gene shows up more frequently in people with diabetes or certain thyroid diseases than in people free of those illnesses.
- Health & Medicine
New Compounds Inhibit HIV in Lab
Two new compounds uncovered by pharmaceutical scientists block integrase, an enzyme essential to the replication cycle of the virus that causes AIDS.
- Health & Medicine
One more reason to worry
A single dose of the AIDS drug nevirapine, given to mothers to help prevent them from infecting their children during birth, may be enough to prod the virus to develop drug resistance.
- Tech
Nanotechnologists get a squirt gun, almost
A novel computer simulation of molecular behavior suggests that a minuscule squirt gun able to spit liquids a few hundred nanometers ought to work.
- Health & Medicine
Beating two infections with one vaccine
Identifying key similarities between related viruses could enable researchers to coax some vaccines to do double duty.
- Plants
Disease outpacing control in largest chestnut patch left
An unusual test of a biological control for the blight that's killing American chestnuts doesn't look good in the largest remaining patch.
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A fish’s solution to broken hearts
The zebrafish can regenerate missing heart muscle.
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From the July 23, 1932, issue
DROP OF OIL ATOMIZED INTO 100,000,000 PARTICLES A tiny drop of fuel oil no larger than the head of a safety match has been torn into 100,000,000 particles at the research laboratory of the General Electric Co., Schenectady, N.Y., it is announced. Intensely hot combustion results at high efficiency. Engineers are expected to apply the […]
- Health & Medicine
HIV may date back to the 1930s
Genetic analysis of the AIDS virus suggests it first infected humans in the first third of the 20th century.
- Health & Medicine
What Activates AIDS?
New studies suggest that a natural process called immune activation—the signaling that alerts immune cells of foreign invaders—plays a key role in explaining why infection with the human immunodeficiency virus progresses to AIDS more quickly in some people than in others.
- Health & Medicine
Duct tape sticks it to warts
Treating a wart with a covering of duct tape seems to be more effective—and less painful—than removing the wart by freezing it with liquid nitrogen.
- Health & Medicine
Viruses stop antibiotic-resistant bacteria
Bacteriophages, viruses that destroy bacteria, can protect mice from bacteria that are impervious to antibiotics.
