Word did you knows

Did you know clinophobia is the fear of going to bed
Did you know the number 4 is the only number that has the same number of letters in it
Did you know you can't trademark surnames
Did you know the 'you are here' arrow on maps is called an ideo locator
Did you know the smallest unit of time is a yoctosecond (1 septillionth which is 10 to the power of negative 24 )
Did you know a group of foxes is called a skulk
Did you know a connected bunch of bananas is called a hand and individual bananas are called fingers
Did you know arachibutyrophobia is fear of peanut butter sticking to the roof of your mouth
Did you know a 15th anniversary is called a quindecennial
Did you know a nanosecond is one billionth of a second
Did you know brontology is the study of thunder
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 'orology' is the study of mountains
Did you know the word denim comes from 'de Nimes' or from Nimes which is a town in France
Did you know the vocabulary of the average person is between 5,000 to 6,000 words
Did you know DNA stands for Deoxyribonucleicacid
Did you know the word 'rhythms' is the longest word without any vowels
Did you know the study of insects is called entomology
Did you know the word 'karate' means 'empty hand'
Did you know the word fortnight is a contraction of the 2 words 'fourteen nights'

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