A new study showed that mammals in the savanna are more scared of human voices than lions growls. The scientists discovered this by playing sounds from humans, lions, and birds from hidden speakers.

Few characters in film history will be remembered for their sounds as opposed to words, like Chewbacca from the Star Wars saga. His iconic growls, moans, and expressive vocalizations created a ...

Animals are noisy. And their noises can travel a long way. But making sounds can be a double-edged sword: it can help them communicate, sometimes over long distances, but it can also reveal them to ...