6,261 results
6,261 results for: Virus
- Tech
Circuitry in a nanowire: Novel growth method may transform chips
Made from alternating bands of different semiconductors, a new type of superthin wire incorporates working electronic and optical devices within the wire itself, raising the prospect of making extremely tiny and versatile circuits from the striped filaments.
- Health & Medicine
Death of a theory
Three separate analyses of oral polio vaccine used in the 1950s in Africa deflate the theory that such a vaccine could have ignited the AIDS epidemic by containing virus-infected chimpanzee cells.
- Health & Medicine
Infections tied to head and neck cancers
Infections from human papillomavirus (HPV) may increase the risk of certain cancers of the head and neck, especially of the tonsils.
- Health & Medicine
AIDS-treatment guidelines revised
A panel of scientists has changed the guidelines for prescribing medication for HIV-infected patients, considerably lowering the suggested T-cell-count and HIV-copy thresholds.
- Health & Medicine
AIDS drug performs well in early test
A new drug called T-1249, which keeps the AIDS virus from fusing with immune cells, proves largely safe in people.
- Tech
Wiring teensy tubes, strands into circuits
Single-molecule transistors and other comparably small components are now at work in prototype circuits that may eventually lead to electronic devices crammed with up to 100,000 times more transistors per square centimeter than are on today's chips.
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- Health & Medicine
Does breast-feeding accelerate AIDS?
A study of HIV-infected mothers in Kenya suggests that breast-feeding places them at a health risk.
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Plight of the Untouchables
Stigma's largely unexplored effects on the health of people sufering from ailments ranging from AIDS to schizophrenia attracted much interest at a recent conference.
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From the October 3, 1931 issue
A SEA-GOING LIZARD FROM GALAPAGOS When Darwin, as a young naturalist just out of school, visited the Galpagos islands, he saw a number of things that helped to crystallize and precipitate in his mind the concept, already seeded there, that later revolutionized all biology and much of philosophy. Not the least provocative of speculation was […]
- Health & Medicine
Gene therapy cures blindness in dogs
Gene therapy to replace a defective RPE65 gene succeeds in bringing sight to three blind dogs, suggesting such therapy might reverse Leber congenital amauosis, a rare condition in which children are blind from birth.
- Health & Medicine
Vaccine may prevent some cervical cancers
A new vaccine spurs people to produce a strong immune response against human papillomavirus, a virus that can infect both men and women and causes cervical cancer in women.
