"Nanoshells" and other tools of the ultrasmall realm could improve diagnosis and treatment of tumors.
Stroke victims recover more fully with the guidance of ever-smarter robots.
Q&A: Biologist Aubrey de Grey is convinced that mice-and people-should be able to live for a very long time.
In synthesizing drugs for glaucoma and arthritis, chemist Percy Lavon Julian found inspiration amidst adversity.
Chinese manufacturers aren't just copying products conceived in the West: they're improving them.
New physics-based software renders virtual human skin more realistically than previous computer models.
Want to have doctors wrapped around your finger? A ring sensor monitors temperature, heart rate, and other vital signs.
A material based on a modified form of natural silk could replace torn knee ligaments.
A wire that radiates sound could bust blood clots and unblock coronary arteries.