Everything and everyone in this world has a purpose ... sound of trucks and tractors became too loud for the little girl, he immediately covered her ears without hesitation, ensuring her comfort ...

Over-the-ear headphones are everyone's usual go-to solution for blocking out the world ... out noise by wrapping around the ears, earbuds don't block sound as effectively. Instead of covering ...

Now, scientists have discovered that whales can decrease the sensitivity of their hearing to protect their ears from loud noise ... for hundreds of miles. The world’s oceans have been getting ...