The biomedical research community is elated by today’s federal court decision to throw out a lawsuit that threatened to shut down federally funded research on human embryonic stem cells (hESCs). U.S. District Court for the District of Columbia Chief Judge Royce Lamberth, who earlier had ruled against the National Institutes of Health, this time came…

A provocative new study suggests that mice raised in spacious cages with lots of toys and companions are more resistant to cancer than mice living in standard cages. The work, which finds that exercise alone doesn’t explain the anticancer effect, is drawing both excitement and skepticism.