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Robot traverses the surface of the heart
Researchers at CMU are developing a robot that is able to crawl over the surface of the heart and may eventually be able to revolutionize the way cardiac surgery is done.
How Things Work: Sinkholes
Buildings lying above ground can suddenly be swallowed by large gaping holes in the earth's surface called "sinkholes."
Health Talk: Progeria
Learn about Progeria, a genetic disorder that causes children suffering from the disorder to age eight times as fast as those without the disease.
Health Line
Researchers have discovered that the head trauma NFL players suffer could lead to permanent brain damage.
Sci/Tech briefs
Astronomers have discovered a new galaxy that could be considered as the Milky Way galaxy's twin.