6,166 results
-
- Earth
Stemming the Tide
New approaches to stopping the introduction by ships of invasive species to North American waters are beginning to show promise but have a long way to go.
-
Gene therapy won’t replace Viagra—yet
Scientists are making progress toward inserting genes to cure impotence temporarily.
- Chemistry
Buckymedicine
Scientists are turning carbon-cage molecules called fullerenes into drug candidates and medical diagnostic tools.
- Health & Medicine
Gene Therapy for Sickle-Cell Disease?
By adding a useful gene to offset the effects of a faulty one, scientists have devised a gene therapy that prevents sickle-cell anemia in mice.
- 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.
- 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.
- 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.
-
