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TIL that all fourth graders in the US have free admission to national parks

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4rXR TIL there is a tree named Pando that is technically an entire forest. It is a clonal colony of 4700 aspens’s that all share the same root system.
d8wp7 TIL That Psychologist George Stratton wore goggles that inverted his vision for 8 straight days. By day 4, his brain had begun correcting the inversion
bBNN TIL that there is a word that rhymes with orange. It’s “sporange” and is a botanical term.
4X8LN TIL It’s thought that Michael Jackson may have borrowed Smooth Criminal’s chorus “Annie, are you OK?” from a CPR class he took. The CPR training dummy is named Annie and trainees are taught to say “Annie, are you OK?” to check if the patient is responsive.
DGgP TIL Google wraps its undersea fiber optic cables in Kevlar to protect them from shark bites.