Animal Parts for People Using animal organs and tissues for transplant into human patients promises to help relieve the chronic shortage of suitable donor organs and save human lives. But tissue rejection, and the possibility of transmitting animal pathogens, remain problems. Bacteria Cause Ulcers Everybody knows that high stress jobs--air traffic controller, bomb squad technician, high-school student--can give you ulcers. But everybody is wrong. Instead, a bacterium called Helicobacter pylori is responsible for the vast majority of ulcers. Most people with ulcers can be successfully treated with antibiotics. Images of Dyslexia For a long time people with dyslexia were called dumb or lazy. New research shows that specific brain abnormalities lie at the heart of this learning disability. A Bad Drug Reformed The drug thalidomide caused a tragic worldwide outbreak of birth defects in the early 1960s. Now, researchers are finding new uses for thalidomide, giving it another chance to benefit humanity. The Snapshots Archives If you want to see a Research in the News story that has not yet been moved to the new Snapshots site, this is the place to go.