- the human eye can detect more shades of green that any other colour
- the hydrochloric acid found in your stomach is strong enough to dissolve a nail
- the hyoid bone in your throat is the only bone in your body not attached to any other
- the ice cream cone was introduced in 1904
- the ideal temperature to fall asleep is between 18-30°c (64-86°f)
- the Internet was originally called ARPANet (Advanced Research Projects Agency Network) designed by the US department of defence
- the largest exporter of sugar is Cuba
- the largest island in the Mediterranean sea is Sicily
- the last Play Boy centre-fold to have staples was published in 1985
- the least used letter in the alphabet is Q
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