- Scissors were most likely invented ancient Egypt.
- The hyoid bone in your throat is the only bone in your body not attached to any other.
- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- The human eye blinks over 4,200,000 times a year.
- A group of whales is called a pod.
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