11.03.2009 For decades, RNA was seen as a simple slave to DNA. Newer research shows it has an active and critical role in every disease from Alzheimer's to cancer.
A spreading rash signals something far more dangerous than a skin condition. 11.02.2009
We eat it, we love it, and it may have been a chemical precursor to life on Earth. 10.30.2009
Staying slim is hard enough without conflicting advice. But don’t worry—science is on the case. 10.29.2009
A new technology lets doctors test out procedures on a simulation of the patient's anatomy. 10.28.2009
Drug companies and scientists are turning nature’s weapons into life-saving treatments. 10.22.2009
Developing nations often have a lack of medical facilities but good cell phones. The CellScope turns the latter into the former. 10.20.2009
For anyone who thought hot dogs were the healthiest food around, some new research will come as a sad surprise. 10.16.2009
Some bacteria pierce the imposing blood-brain barrier by breaking links in the chain; sneakier ones do it by fooling the guard cells. 10.15.2009
Tiny drug-carrying balls of sugar are delivering medicine in novel—and very useful—ways. 10.09.2009
The names look like alphabet soup—CT, MRI, DTI—but the images look like science melding into art. 10.07.2009
NYU medical geneticist Harry Ostrer says commercial genomic testing can leave consumers confused—and scared. 10.05.2009
Biochemist Peter Davies suspects the vast majority of research is on the wrong track: The disease is caused by improper cell division, not plaques or tangles. 10.02.2009
Paul Ewald says infections are responsible for at least four-fifths of all cancers—and we have the tools to prevent them. 09.30.2009
A toddler's unusual behavior gives away his condition. 09.29.2009
Computational geneticist Tara Matise looks for biomarkers that predict when women will become infertile. 09.29.2009
Dr. H. Gilbert Welch says cancer treatments are often worse than the tumors—especially because some of them go away naturally. 09.25.2009
Even geneticist Tara Matise was curious about—but not spooked by—having her genetic palm read. 09.23.2009
Biologist Aubrey de Grey lays out a plan to stay young forever. Key step: finally winning the war on cancer. 09.23.2009
New studies show promise for using a person's own stem cells to protect them from autoimmune disorders like diabetes and multiple sclerosis. 09.21.2009
Former CDC director Jeff Koplan says preparedness is a relative thing. 09.11.2009