- More people are killed by hippopotamuses then by lions, elephants and water buffalos combined.
- Adults laugh only about 15 to 100 times a day, while preschoolers laugh an average of 300 times a day.
- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- A humming bird flaps its wings up to 90 times a second (5,400 times a minute).
- There is a pink lake in Australia named Lake Hillier.
- There are over 15,000 different kinds of rice.
- The teeth of a viperfish are so sharp and long that if it closed its mouth with the teeth inside, it would pierce its brain.
- Every year over 98% of atoms in your body are replaced.
- Asparagus can grow up to 7 inches in a day.
- Ostriches don't bury their heads in sand.
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