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…
d4 Invasive jorō spiders get huge and flashy — if they’re female Some thumbnail-sized, brown male spiders in Georgia cou…