Last WordIs there an evolutionary benefit to being bald? Does male pattern baldness convey an evolutionary advantage? Readers share their theories Regulars
LifeBats can learn to copy sounds and it may teach us about human speech Pale spear-nosed bats can learn to alter their calls to mimic different sounds – a rare skill that could help us understand the biology of human speech and language ¿ìè¶ÌÊÓÆµ