Scientists mapped the color shading of a particularly well-preserved Chinese fossil—a Psittacosaurus [sit uh kuh SAWR us]—onto several three-dimensional,...
The fossil record clearly shows insects have always been insects.
In a recent study, researchers led by biologist Richard J. Knecht, a Ph.D. candidate...
Erythromycin is an antibiotic that has been prescribed to many of us that may have experienced skin or upper respiratory tract infections. It was discovered...