- There are 206 bones in the adult human body and there are 300 in a child's body. As we grow, some of the bones fuse together.
- Fleas can jump 130 times higher than their own height. In human terms, this is equal to a 6 foot person jumping 780 feet into the air.
- Velcro was invented 50 years ago.
- The human eye blinks an average of 4,200,000 times a year.
- It takes approximately 12 hours for food to entirely digest.
- An inch of rain water is equal to 15 inches of dry, powdery snow.
- 40% to 50% of body heat can be lost through the head as a result of its extensive circulatory network.
- The ears of a cricket are located on its front legs, just below the knee.
- Sound travels about 4 times faster in water than in air.
- The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.
