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Scientists make your stomach turn bright green if you have an ulcer Posted: 08 Jan 2014 08:26 AM PST Doctors may soon be able to diagnose stomach ulcers without taking tissue samples from the stomach. Researchers now report to have developed a new, safer and noninvasive diagnostic technique for ulcers. The trick is to make the ulcer-causing bacteria in the gut light up in fluorescent green. |
How dogs do the 'dog paddle': An evolutionary look at swimming Posted: 05 Jan 2014 07:25 AM PST Most adults remember their first success in learning to swim using the 'dog paddle'. This classic maneuver has been used to describe swimming in armadillos, turtles, even humans -- just about everything except dogs. Biologists set out to understand how real dogs perform the dog paddle. |
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