DID U KNOW.... PART-40

Did you know some playing cards in India are round
Did you know the average pool cue is 1.4m (4.75ft) long
Did you know the expression to 'knuckle down' originated from playing marbles (players used to put their knuckles to the ground for their best shots)
Did you know the first aluminum drink can was introduced in 1964
Did you know the first drug that was sold as a water soluble tablet was aspirin in 1900
Did you know the national anthems of Japan, Jordan, and San Marino each have only 4 lines
Did you know there are only 3 sets of letters on a keyboard which are in alphabetical order (f g h, j k l, and o p)
Did you know women were not allowed to vote in France until 1944
Did you know a bumble bee flaps its wings at 160 times a second
Did you know a dragonfly can fly at 40kph (25mph)
Did you know flies can react to an object it sees and change direction in less than 30 milliseconds
Did you know a queen bee can lay up to 3,000 eggs in one day
Did you know ants can lift 50 times their own weight
Did you know bees can see ultraviolet light
Did you know 80% of the world's food crops are pollinated by insects
Did you know 10% of with world's food supply is consumed by insects
Did you know it takes 110 silkworm cocoons to make an average tie
Did you know queen termites can live up to 50 years
Did you know most spiders have transparent blood
Did you know caterpillars have over 2,000 muscles