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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.

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