- You blink over 4 million times a year.
- Bats are the only mammals that fly.
- The most difficult-to-pronounce town is in Wales: Llanfairpwllgwyngyllgogerychwyrndrobwyll llantysiliogogogoch.
- Miami installed the first ATM for inline skaters.
- Human thigh bones are stronger than concrete.
- Mathematical developments increased rapidly around the time of the Italian Renaissance in the 16th century and continued through the scientific revolution of the 17th and 18th centuries, becoming increasingly abstract in the 19th and 20th centuries.
- The world's smallest mammal is the bumblebee bat of Thailand.
- All the people on Earth could fit into a 1 km cube.
- A hummingbird's heart beats at over a 1,000 times a minute.
- Dry ice transforms directly from being a solid to a gas.
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