Melting at the base of this Texas-sized ice pack in the Amundsen Sea off Antarctica could lead to significant ocean level rise in the long term. This image of the ice shelf was taken on the first flight of Ice Bridge from an altitude of 20,000 feet.
This retinal prosthesis has been implanted in the eyes of 32 patients. The device receives wireless data from the camera which it then translates into electronic signals that are sent to the brain, restoring sight.
Courtesy Second Sight Medical Products, Inc.
This X-ray shows electrodes that have been implanted in the brain of a patient with epilepsy before surgery to remove tissue causing the patient's seizures. The electrodes were also used to study how the brain processes language.
Ned T. Sahin/Science
Biologists Elizabeth H. Blackburn (left) and Carol Greider pose next to a bust of Paul Ehrlich before being awarded the Paul Ehrlich and Ludwig Darmstaedter Prize in Frankfurt, Germany. on March 19.
Hurricane Ivan was photographed as it churned in the Gulf of Mexico late on Sept. 14 by astronaut Edward M. (Mike) Fincke aboard the International Space Station, 230 miles above Earth.