Animal biology professor Christina Cheng and her colleagues determined how the gene for an antifreeze protein in Arctic fish evolved from noncoding DNA.
The mandibles of the Dracula ant, Mystrium camillae, are the fastest known moving animal appendages, snapping shut at speeds of up to 90 meters per second.
The spines of Cylindropuntia fulgida, also known as jumping cholla, have a reproductive role. They latch on to passersby and carry small chunks of cactus flesh to new locations.
A new study of orangethroat darters reveals that the males’ ability to recognize their own and other species drives the evolution of their bright display colors.