When you think “speedy creatures,” most people’s minds immediately picture the swift-footed cheetah. But there are many more ...

Speed in the animal kingdom comes in many forms, from powerful land sprints to lightning-fast dives beneath the waves.

The fastest a human has ever been recorded running was Usain Bolt in the 2009 Olympics. Bolt ran the 100-meter dash in an astonishing 9.58 seconds. This equals 27.78 miles per hour, and the record ...