Taco Bell is named for its founder, Glen Bell.
Amazingly, blue whales can slow their heart rate to four or five beats per minute in order to conserve oxygen during deep dives.
The infinity sign is properly known as a "lemniscate."
Antarctica gets very little snow, so why is there snow on the ground? Because the snow that does fall on the continent never melts.
The first cellular phone measured 9" x 5" and weighed 2.5 lbs. It was developed by Dr. Martin Cooper, who worked for Motorola.
Stephanie Kwolik's name might not ring a bell, but she's responsible for saving thousands of lives. In 1965, she invented Kevlar, the material used in bulletproof vests.
Pigs are no longer commonly employed to rustle up truffles; specially-trained dogs (who are equally adept at the job) have now taken their place.