The latest biological and medical news from The Scientist
XMRV doesn't cause chronic fatigue
Two studies point to contamination of patient samples as the cause of a controversial 2009 finding that linked the mouse virus XMRV with chronic fatigue syndrome
The rhythm of biology
An art exhibit in New York City explores the science behind our reaction to sounds
Arsenic-based life debate continues
More than a dozen researchers voice their concerns about a 2010 paper that claims bacteria can use arsenic in place of phosphorus in its DNA and other biomolecules
News in a nutshell
Cell phones = carcinogen; German E. coli epidemic continues; protein required for stem cell-ness
What lab mice are made of
The most detailed genetic maps to date of classical lab mouse strains reveal limited genetic diversity
Editor's choice in immunology
T cells are maintained in a quiescent state by a nonhistone protein complex until they encounter a complementary antigen during an immune response
Deep-Earth devil worms
A newly identified species of nematode lives miles deep in the tight, hot crevices of the Earth's crust
