Tumor Vessels' Genetic Commands By Jean MarxAug. 18, 2000 Dozens of genes are turned on or off to supply a cancer with blood
Xenotransplants Take Glancing Blow By Elizabeth PennisiAug. 17, 2000 Ancient pig virus spreads in mice lacking immune systems
U.K. Backs Expanded Research on Embryos By Richard StoneAug. 16, 2000 Legislation broadening use must still be approved by Parliament
Cheating Rife in Clinical Trial By Eliot MarshallAug. 16, 2000 Almost a third of patients in one trial didn't take their drugs--and lied about it
Starving TB in Its Hiding Place By Laura HelmuthAug. 16, 2000 Discovery of feeding enzyme used by bacterium could be key to new drugs
Hunting for BRCA3 By Liese GreensfelderAug. 15, 2000 Scientists Home In on Site of Possible New Breast Cancer Gene
BSE Hunt in Sheep Reassuring By Michael BalterAug. 9, 2000 Fears of mad cow disease epidemic in British sheep appear unfounded
New Virus Blamed for California Deaths By Martin EnserinkAug. 4, 2000 Three patients may have succumbed to rare arenavirus infection
Gates Foundation on Funding Spree By Michael HagmannAug. 4, 2000 Philanthropy puts almost $200 million in public health and infectious diseases
A Shot in the Arm for the Fetus By John S. MacNeilAug. 1, 2000 Immunization in utero may protect a newborn from mother's infections
Viagra for Diabetics? By Michael HagmannAug. 1, 2000 Mouse study suggests impotence drug could relieve common stomach problem
Columbus Didn't Do It By Michael HagmannJul. 31, 2000 New findings cast doubt on "Columbian theory" of syphilis origins
Far From the Madding Herd By Michael HagmannJul. 20, 2000 Controversial theory traces "mad cow" prion to sheep, but not to scrapie
Study Finds No Harm in Anthrax Vaccine By Martin EnserinkJul. 19, 2000 Hospitalizations among immunized troops are down, not up
The Origins of New, Booming Diseases By Martin EnserinkJul. 17, 2000 Three out of four emerging diseases come from animals
Alzheimer's Vaccine Appears Safe--But Is it Effective? By Laura Helmuth, Jean MarxJul. 11, 2000 Experimental treatment clears telltale brain plaques in animals