In this illustration, new viruses emerge from an infected human throat cell. When you get the flu, viruses turn your cells into tiny virus factories that help spread the disease. Courtesy XVIVO/Zirus hide caption

itoggle caption Courtesy XVIVO/Zirus

A sexton beetle buries a recently deceased shrew. Image courtesy of Fabricator of Useless Articles hide caption

itoggle caption Image courtesy of Fabricator of Useless Articles

In one experiment, Ramachandran used a mirror and a cardboard box to perform the first "successful amputation of a phantom limb." The Center for Brain and Cognition, UCSD hide caption

itoggle caption The Center for Brain and Cognition, UCSD