Credit (via Flickr/Intenational Center for Tropical Agriculture)
A cassava root. The Donald Danforth Plant Science Center has received $8.3 million fron the Gates Foundation to research ways to increase nutrition in the root, which is the main carbohydrate for a quarter of a billion people.
Brain scans from a control subject (left), a welder (center), and a subject with idiopathic Parkinson's disease (right), in a study by researchers at Washington University comparing brains of apparently healthy welders to those of Parkinson's patients.
The map above depicts the locations highlighted in the following story where trace amounts of radiation from Japan have been found in Illinois - Will County and Springfield, Ill.
Reporting from Illinois Public Radio's Sean Crawford used in this report.
Trace amounts of radiation from Japan have shown up in Illinois. But state officials say there's no reason for concern.
Minute levels of radioactive materials have been detected in both northern and central Illinois. The state's Emergency Management Agency says radioactive iodine was found in grass clippings in Will County and in an air sample collected at a lab in Springfield.
The above map depicts Herbert Hoover Boys and Girls Club (right), across the street from the Carter Carburetor Superfund site, a former gasoline and diesel carburetor manufacturing plant which closed in 1984.