- 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 first drug that was sold as a water soluble tablet was aspirin in 1900.
- When 2 zebras stand side by side they usually face each other in opposite directions to keep an eye out for predators.
- 10% of with world's food supply is consumed by insects.
- A cheetahs top speed is 114kph (70mph).
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