• An ostrich's eye is bigger than it's brain.
• Most lipsticks contain fish scales.
• Birds need gravity to swallow.
• The sentence "the quick brown fox jumps over the lazy dog" uses every letter in the English alphabet.
• The Grand Canyon can hold around 900 trillion footballs. 
• All the blinking  in one day equates to having your eyes closed for 30 minutes.
• Your foot has 26 bones in it.
• The average human brain contains around 78% water. 
• Your brain uses between 20 - 25% of the oxygen your breathe.
• 1 nautical knot equates to 1.852 Kph (1.150 mph).
• If you add up all the numbers from 1 to 100 consecutively (1 + 2 + 3...) it totals 5050.
• Sponges hold more cold water than hot.
• Lightning strikes the Earth 6,000 times every minute.
• Fire usually moves faster uphill than downhill.
• Cats have over 100 vocal chords.
• The most commonly forgotten item for travelers is Toothbrush.