How the polar vortex produced rapid evolution in lizards
A surgical technique designed to preserve proprioceptive signals after amputation should allow patients to sense the location of their prostheses, feedback that is often compromised by convential surgery.
Harvard's Charlie Booker deployed a mighty stiff arm to fend off Lafayette's Philip Parham. The Crimson junior rampaged his way to a career-high 159 yards on the ground. Photograph by Tim O'Meara/The Harvard Crimson
Pouncing Crimson: Defensive tackle Richie Ryan (50) falls on a fumble by Georgetown quarterback Clay Norris. The recovery blunted a first-quarter Hoya drive. Photograph by Rafael Suanes/Courtesy of Georgtown University Athletics Department
To simply say that the White Cliffs of Dover are made of chalk would miss the point of Life at the Edge of Sight: A Photographic Exploration of the Microbial World. The chalk giving the famous cliffs their white appearance was formed from the exoskeletons of plated marine microbes called coccolithophores.