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