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TIL A Portugese Man of War is not a jellyfish; it’s a colony of thousands of individual animals called “zooids”

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VlZD TIL the 60’s TV show Lost in Space took place in 1997
wLPrY TIL: Beethoven was the pupil of Haydn for some time and the worst kind. Rebellious, cheeky, disrespectful. Finally, before Haydn died, the matured 38 years old Beethoven publicly paid his respects by kissing his hands and kneeling before the old master.
d8wJB TIL about psychosocial dwarfism, a condition where a child can stop growing due to an extremely stressful environment. It can cause the body to completely stop growing but is generally temporary; regular growth will resume when the source of stress is removed.
R7VkQ TIL- Dr Heimlich at aged 96 saved choking woman with manoeuvre he invented at his retirement home. It was the first time he had ever had to use his maneovre in an emergency.
xDmw TIL that the green iguana has a ‘third-eye’ called a parietial eye, in the middle of its forehead. This does not function in the same way as its two side eyes, but enables it to detect movement, especially from above, to help it avoid predators.