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TIL about 'Row Zero', a theoretical plane above Hydrogen on the Periodic Table (not next to it!)

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Bgm7x TIL a Parasitoid is a parasite that kills its host
8aDEL TIL that Radon is a naturally occurring radioactive gas in the ground. It can build up in basements and crawl spaces, increasing the chances of lung cancer when breathed in because of the radiation.
VM894 TIL Colliding with a 1 centimeter paint fleck in orbit will do the damage of a 550 pound object traveling at 60 MPH on Earth
GdGN TIL that many people consider Die Hard to be a Christmas movie.
0GPN TIL in 1880 the age of consent in Delaware was 7.