During Bill Clinton's entire eight year presidency, he only sent two e-mails. One was to John Glenn when he was aboard the space shuttle, and the other was a test of the e-mail system.

While lions and leopards usually do their hunting at night, cheetahs hunt for food during the day.

At a jet plane's speed of 1,000 km (620mi) per hour, the length of the plane becomes one atom shorter than its original length.

AMAZING FACTS