Researchers are developing a better scanner for Lasik eye surgery.
How ultrasound slips drugs into cells
Carbon cages filled with metal molecules could improve MRI diagnostics and make high-efficiency solar cells.
New technology finds, flags, and kills tumor cells.
A new brain chip being tested in monkeys could one day reconnect brain areas damaged by stroke or spinal-cord injury.
If addicts watch their brain's changing blood flow during a craving, they may be able to train themselves to kick the habit.
New drugs could bring treatment to a much broader set of patients, says a leading expert on alcohol abuse.
A new way to move fluids around on a "lab on a chip" could make sophisticated portable blood tests more practical.
Recent Nobel laureate Andrew Fire talks about the evolving understanding of RNA interference's natural roles in development and disease.