1. Over 2500 left handed people a year are killed from using products made for right handed people!
2. The sentence "The quick brown fox jumps over a lazy dog." uses every letter of the alphabet!
3. Some ribbon worms will eat themselves if they cant find any food!
4. In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
5. More people use blue toothbrushes, than red ones!