1. It takes a gallon and a half of milk to make a gallon of ice cream.

2. The TV remote is the dirtiest item in a typical household, hospital, or hotel room.

3. The finest quality emeralds are more valuable than diamonds.

4. Hearing is the fastest human sense. A person can recognize a sound in as little as 0.05 seconds.

5. In 2008 scientists discovered a new species of bacteria that lives in hairspray.