Browsing: Lens_biology

In the center of the photo, standing amid dry brush and trees, is something’s butt. I have 50-some animals to choose from, and I’m really not sure whose butt it is—maybe a duiker’s, a small, deer-like creature. “If you see an animal, please mark it,” the instructions say, “even if you’re not sure, or have […]

Forty years ago, scientists found alien life. Not on another planet, but on Earth, in the deep sea, in places where plumes of steam and nutrients heated by volcanic activity fed entire ecologies of creatures adapted to harness chemical energy rather than energy from the sun. The discovery redefined life’s biophysical possibilities, and scientists and […]

The email from a professor offered an unusual spring break adventure: Come spend five days in complete darkness. To Morgan Williams, then a sophomore at Swarthmore College and a psychology major, it sounded like a great way to spend his vacation week. “I’m not really one for going to the beach,” he says. For those […]

Imagine that a loved one, let’s say your brother, has suffered a serious brain injury. After languishing in a coma, he finally “emerges”—that is, he cycles between sleep and wakefulness, yanks his hand away when it’s pricked, is startled by loud noises, and so on. But it’s not clear that he’s ever truly awake; his […]