Home > Facts, General Knowledge > 117/365 – Strange Facts – 7

117/365 – Strange Facts – 7

1. Fingernails grow four times faster than toenails

2. Right handed people live, on average, nine years longer than left-handed people

3. If you rub an onion on your foot – within 30 – 60 minutes you will be able to taste it – this is because it travels through the blood stream

4. You can’t kill yourself by holding your breath (if you hold it until you go unconscious, you begin to breath normally as soon as you do)

5. On one square inch of human skin there are 20 million microscopic creatures

6. A snail can sleep for 3 – 4 years – during which period it does not need food

7. Giraffes can live longer without water than camels

8. The songs of humpback whales can change dramatically from year to year, yet each whale in an oceanwide population always sings the same song as the others

9. To test if a pearl is real, you can rub vinegar on it – the composition of the pearl will cause it to bubble furiously

10. Oysters can change between being female or male

Source: http://listverse.com/2009/06/13/another-15-amazing-science-facts/

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