"Think about groping for a light switch in a dark room, or using touch to figure out what object is inside a dark bag," said Tyack. "Dolphins use echolocation to interact with their world, and, unlike ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

It’s midnight in a pitch-dark parking lot. Trying to unlock your car, you fumble and drop the keys. You squat down and run your hand across the invisible pavement. To the left you feel a firm, rubbery ...