Regenerating Neurons in Eyes
Researchers stimulate the growth of new retinal cells in mice

Eye Implants to Fight Progressive Blindness
A novel medical device could treat eye diseases like age-related macular degeneration

Your Medical Data Online
Google and Microsoft are offering rival programs that let people manage their own health information. Do potential users understand the risks?

Creating a Heart
An ingenious method for making new organs could one day revolutionize medical transplants

Breeding the Oil Bug
A California company uses genetically-engineered bacteria to produce gasoline

Growing New Hearts from Old
Donor hearts could make good scaffolding for new organs

Better Blood Vessels
New artificial blood vessels could help a wider range of patients

Drug Trials and Error
Conspiracy theories about big pharma