The idea for a vaccine patch came to Carl R. Alving, M.D. in a dream: "I was swimming in a pool of liposomes," he recalls. Listen as Alving describes his dream and how his staff at the Walter Reed Army Institute of Research reacted when he shared it with them.
The fossil feathers of a 36 million year-old penguin give clues to some of its modern features, a new Science study reports.
“Before this fossil, we had no evidence about the feathers, colors and flipper shapes of ancient penguins. We had questions and this was our first chance to start answering them,” said Julia Clarke, lead author and paleontologist at The University of Texas at Austin.