Sperm whales are the loudest animals, but many believe blue whales are louder because of call duration The loudest human yell was 129 decibels. The loudest dog bark was 113 decibels. At 70 decibels, ...

Troy Vincent, the NFL’s executive vice president of football operations, said earlier this week the league was working with the Competition Committee to determine the final rules for artificial noise.

These whispering bats never really whispered. Their echolocations were thought to be about 70 decibels, about the level of sound coming from regular speaking. But when two scientists measured the ...

• Music played at 70 decibels or louder puts people at risk for developing hearing problems. • Hearing problems have been linked to dementia later in life. • Technology companies like Apple and ...