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A new fuel cell taps the energy of seafloor sediments.
Digital screen stars are becoming more believable-and affordable
Self-reliant roadsters will race for a hefty Pentagon prize.
Torrents of e-mail have turned us all into file clerks. Isn't there a better way?
RNA-based drugs offer hope for treating cancer, AIDS, and other diseases.
Unconventional medical therapies are now under scientific scrutiny.
General Electric's nanotechnology program breaks the mold with research to toughen ceramics based on the microstructure of seashells.
Boston University's James Collins uses background noise to steady the step of the elderly.