There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
NASA invented baby food as we know it today.
7
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
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The Shell Oil Company began as a novelty shop in London that sold sea shells.
3
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
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Most of the dust underneath your bed is actually your own dead skin.
251
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
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