Eggs themselves are remarkably resistant to germs like salmonella. The shell and proteins in the egg white normally do a good job of fending off pathogens. But eggs laid by a bird infected with salmonella will likely be infected, too.
Courtesy of John Ingraham
David Schulte, a marine biologist with the U.S. Army Corps of Engineers, is trying to engineer a recovery for Chesapeake Bay oysters. He has developed a small reef area to provide a habitat for oysters in one of the bay's tributaries.
Robert O'Rourke was diagnosed with idiopathic pulmonary fibrosis in late 2006. The lung disease causes scarring in the lungs, which makes breathing difficult. There's no cure yet, and researchers aren't certain what causes the disease.
Courtesy of Robert O'Rourke
Food safety experts traced the salmonella outbreak to Wright County Egg, near Galt, Iowa, which is one of two companies whose eggs are believed to have been contaminated. More than 500 million eggs have been recalled.
Lisa Daxer is a biomedical engineering major at Wright State University in Dayton, Ohio. She says her autism has made her feel like an outsider but has also helped her become something of an expert on the social behavior of people she calls "neurotypicals."
Skip Peterson for NPR