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TIL that Sigmund Freud believed that addictions to substances such as cocaine and tobacco were excellent substitutes for masturbation, which he considered "the one great habit."

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9wVnM TIL that some reptile species are oviparous (lay eggs), while others are viviparous (birth live young), and that some species are capable of doing both.
Mek0 TIL your brain burns 20% of your daily calories, despite only being 2% of your body mass.
worb8 TIL the political terms "left" and "right" first appeared during the French Revolution of 1789 when members of the National Assembly divided into conservative supporters of the old regime to the assembly president's right and the more liberal supporters of the revolution to his left
yVW9w TIL that parchment is made from animal skins or leather. All my life I always thought it was made from wood like other papers.
DQ8kr TIL that the Las Vegas Sphere, a $2.3 billion dollar project was initially a random sketch of a dome with a stick figure inside created by NY Knicks owner James Dolan. Its high resolution LED screen (516-foot-wide) is the largest in the world.