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TIL that aluminium weighs more than concrete per volume (1m3)

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Dm4J TIL It is predicted the Oil Age will end in 2059
Zd5Q TIL there is a forest in Germany that had trees planted in the shape of a swastika. The swastika is only visible during the spring and fall of each year. It went unnoticed until 1992.
5YbND TIL That the small town of Dalton, Georgia produces more than 90% of the world's functional carpeting.
9wwe7 TIL that swatting a fly without killing it may cause it pain for the rest of its life
D9Gj TIL of Puppy Pregnancy Syndrome: an illness where people believe they are pregnant with puppies after being bitten by a dog.