- The elevator was invented in 1850.
- Lemons contain more sugar than strawberries.
- A cat can keep purring while inhaling and exhaling.
- The word 'geometry' comes from the Greek words 'geo', meaning earth, and 'metria', meaning measure.
- 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.
- Ants won't cross a chalk line.
- The word 'almost' is the longest in the English language with all the letters in alphabetical order.
- The Atlantic Ocean is saltier than the Pacific.
- The first drug that was sold as a water soluble tablet was aspirin in 1900.
- The average age of a polar bear in the wild is 17 years.
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