- The first vacuum was so large, it was brought to a house with horses.
- The world's smallest mammal is the bumblebee bat of Thailand.
- Coca Cola launched its 3rd product Sprite in 1961.
- There are only 4 words in the English language which end in 'dous' (they are: hazardous, horrendous, stupendous and tremendous).
- Bottle nosed whales can dive to a depth of 915 metres (3,000feet) in 2 minutes.
- Commercial airplanes maintain a cabin pressure of about 6,400 feet (just over 1 mile) above sea level.
- Men have 10% more red blood cells than women.
- Swiss mathematician Leonhard Euler was probably the most influential mathematician of the 18th century, making discoveries in graph theory and introducing many modern mathematical words and notations among other things.
- Hummingbirds are the only bird that can fly backwards.
- Einstein slept 10 hours a night.
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