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TIL: The metabolism of the terrestrial biosphere looks like nature’s heartbeat when seen through the lens of a gridded cartogram projection.

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Ooo4a TIL that redheads are likely more sensitive to thermal pain and are more resistant to lidocaine, a type of anaesthesia. This is caused by mutations of the melanocortin 1 receptor which is responsible for red colored hair.
BgNRL TIL that in 1944, Germany was spending 75% of it's GDP on military expenditure.
loDPB TIL that the first house lit by electricity in the US was in Appleton, WI despite Edison inventing the device in New Jersey.
N76Lb TIL in 1905, in Jacobson v. Massachusetts, the Supreme Court ruled that states could enforce rules that restrain individual liberty, in favor of conserving the safety of the community
wv16 TIL There is a festival celebrated in Nepal for dogs, honoring their loyalty and friendship.