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TIL that reintroducing wolves to Yellowstone changed the entire geography of the park: as elk were displaced, saplings that would have been eaten by elk were spared, riverbank erosion was brought under control, and streams and rivers shifted their courses.

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8eLAX TIL that due to their long association with humans, dogs have evolved the ability to thrive on a starch-rich diet, which would be inadequate for other canid species.
nW9gB TIL about the Oklahoma Land Rush of 1889. US President Benjamin Harrison made the declaration that on 22 April 1889 at 12pm the Unassigned Land in Indian Territory would be open for settlement. At the time of the opening, which was indicated by gunshot, 50.000 people were lined up at the start
rRwgx TIL Eating spicy food can give you a high. The compound Capsaicin, which makes hot peppers hot, causes your brain to release endorphins and dopamine which gives you a similar feeling to a “runner’s high.”
XEmAk TIL that the Earths first mass extinction event was caused by the newly formed Oxygen molecule. Known as the Oxygen Holocaust, the event caused the mass extinction of cellular life all over the planet some 2.4 Billion years ago.
GYam7 TIL there is a Russian video games news show "Ot vinta" that have started airing in 1995 and ran till 1998. They have continued making episodes through the years with the same hosts and are still going. The same two guys in Russia reviewed the first DOOM in 1995 and DOOM Eternal in 2020.