1. The way the Pepsi challenge works is that Pepsi is sweeter than Coke. Most people prefer Pepsi when they're only taking 1 sip.
  2. Mountain goats aren't actually goats. They're a type of antelope.
  3. Barbers' poles are red and white because of a time when barbers also performed surgery, the red & white representing blood & bandages.
  4. Koalas actually get high off of eucalyptus. They sometimes get so stoned they fall off the tree.