DNA Reveals Giraffes Are 4 Species--Not 1
Finding could alter conservation strategies for long-necked animals
Stories by Chris Woolston
15-Year-Old "Transparency" Effort Seems to Curb Dubious Biomedical Findings
Reports of positive experimental results fell after the roll-out of a site where researchers are required to record their methods and outcome measures
Bid to Use Common Anesthetic for Executions Threatens U.S. Patients
The politics of capital punishment is affecting drug manufacturing decisions and forcing doctors to worry about sources of anesthesia, such as propofol
'Coelacanth' Genome Unlocked
The genes of this fish, sometimes called a living fossil, reveal much about the origins of tetrapods, the evolutionary line that gave rise to amphibians, birds and mammals
Red Meat May Clog Arteries Because of Gut Bacteria
The finding would explain why even lean meat poses a heart risk
