Your stomach growls are a normal part of digestion. This sound, called borborygmus, happens as gas and fluids move through your gut. It can occur after eating or when you are hungry. Stress can also ...

Many animals produce sound to communicate with each other, and bats are no exception. But bats are extreme when it comes to sound production. Bats can produce a range of frequencies, also known as the ...

Mammals living in the African savannah are far more afraid of hearing a human voice than a lion’s growl, according to a new study that may lead to better strategies to steer animals away from poachers ...