News
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Crippled fungus acts as vaccine
A genetically crippled strain of yeast can vaccinate mice against deadly normal strains.
- Health & Medicine
Drug aids destruction of lymphoma cells
The drug rituximab, when added to chemotherapy, boosts survival rates in people with diffuse B-cell lymphoma, a kind of cancer.
- Tech
Laser Landmark: Silicon device spans technology gap
By coaxing a silicon microstructure into acting as a laser, engineers have achieved a long-sought and important step toward microchips capable of simultaneously manipulating electrons and light.
- Earth
Lemon-scented products spawn pollutants
Some fragrances used in home-care products can play a role in generating potentially harmful air pollution.
- Anthropology
Evolutionary Shrinkage: Stone Age Homo find offers small surprise
Scientists announced the discovery of the partial skeleton of a small-bodied Homo species that inhabited an eastern Indonesian island from at least 38,000 years ago until about 18,000 years ago.
- Animals
Familiar face calms stressed-out sheep
The sight of the face of a familiar sheep seems to reduce stress in troubled sheep.
- Tech
Wee wires that can crawl
Self-propelled strands of a muscle protein coated with gold offer a way to arrange and control the nanoworld.
- Animals
When bluebirds fight, bet on the bluest
The male bluebirds with the bluest (and most ultraviolet) plumage turned out to be the toughest competitors in a study of who won the rights to prime nest boxes.
- Health & Medicine
COX-2 inhibitor pulled off market
Merck's recall of rofecoxib, a COX-2 inhibitor drug for arthritis, raises the question of whether similar drugs might also increase the risk of heart attack.
- Tech
Tracing the origin of Genesis’ crash
The upside-down installation of four switches intended to signal the Genesis spacecraft to open its parachutes is the likely cause of the craft's crash in the Utah desert on Sept. 8.
- Earth
Dioxin-type carcinogens pose additive risks
Pollutants known as dioxins, furans, and certain chemically related polychlorinated biphenyls have additive cancer-causing effects when mixed together, as has been assumed in calculating the chemicals' health risks.
- Astronomy
Renegade stars in sun’s neighborhood
Some stars in the neighborhood of the sun may be renegades from the center of our galaxy.
