Never-Before-Seen Photos of the Glory Days of Las Vegas

The More You Know

• In 2009, Burger King launched a campaign that if you unfriended 10 friends on Facebook, you were entitled to a free Whopper. The person you unfriended would get a message telling them that their friendship is worth less than a Whopper.
• Dentistry is the oldest profession in the world.
• Hippos produce their own sunblock.
• A quarter of all the bones in your body are in your feet.