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Scientists create algorithm to help kidney transplants

Carnegie Mellon professors have come up with an algorithm that matches kidney donors and recipients, making it easier for needy patients to find compatible donors.

How Things Work: Optical tweezers

Optical tweezers, consisting of only laser beams, are able to move miniscule objects like living cells and viruses.

Health Talk: Narcolepsy

Learn about narcolepsy, a disorder in which the patient can fall asleep anywhere, at anytime.

Sci/Tech briefs

Scientists have discovered the leftovers of an asteroid in the Sudan desert.

Health Line

Scientists have developed pluripotent cells from skin cells. These cells could be used to develop any type of tissue.

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