1. Audi’s four-ring logo represents the four companies that combined to create Audi’s predecessor, Auto Union.
2. In the “Super Mario Brothers” series, Luigi’s name is based on the Japanese word “ruiji,” which means “similar” . . . because Luigi is similar to Mario.
3. Your lungs aren’t symmetrical. The left lung is smaller and has two lobes . . . the right lung has three. That’s because your heart is where the middle lobe on your left lung would be.
4. People who work in offices without windows sleep an average of 46 minutes less per night than people in offices with windows.
5. A caterpillar called the tobacco hornworm uses its bad breath to scare off predators. It eats tobacco leaves, and that causes its bad “smokers’ breath.”
