- Crocodiles never outgrow their enclosure.
- As a world commodity coffee is second only to oil.
- The shell is 12% of an eggs weight.
- The average elephant produces 22kg (50 pounds) of dunn each day.
- The Chinese used fingerprints as a method of identification as far back as AD 700.
- Your brain uses 25% of all the oxygen your breathe.
- The equals sign (=) was invented in 1557 by a Welsh mathematician named Robert Recorde.
- Rabbits like licorice.
- The Earth weighs 6,588,000,000,000,000,000 tons.
- Icelandic phone books are listed by first names (not surnames).
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