a1 This dinosaur might have used its feet to snag prey in midair like modern hawks Modern birds evolved from dinosaurs, but it’s not clear…
d4 50 years ago, scientists thought a desert shrub might help save endangered whales The sperm whale is an endangered species. A major reaso…
b2 How a virus turns caterpillars into zombies doomed to climb to their deaths Higher and higher still, the cotton bollworm moth cater…
e5 New images reveal details of two bacteria’s molecular syringes Some bacteria carry tiny syringes filled with chemicals…