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TIL The heart shaped seeds of the Silphium plant is why we associate hearts with romance. Besides being used in food and medicine, Silphium was one of the first genuinely effective birth control. It's believed the Romans drove it to extinction.

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Eg8X TIL in a psychological study on homophobia it was discovered that homophobic men were more aroused by gay porn than the control group. Arousal was measured in terms of erection intensity.
nWLkG TIL that for decades there was speculation why "Dolly for Sue", a seemingly normal rag doll, was present on the Island of Misfit Toys in the Rudolph the Red-Nosed Reindeer special. In 2007, Arthur Rankin revealed that she was a Misfit Toy due to being clinically depressed.
Lkbnm TIL that sexually frustrated fruit flies drown their sorrow in booze, while 'satisfied' males prefer non-alcoholic nourishment
YpA7v TIL about the Living National Treasures of Japan - individuals and groups certified by the government because they are masters of a traditional art or craft that is in danger of being lost. As a reward, they receive a small amount of money from the government every year.
Z8wjR TIL whenever you look at a watch in advertising, it's usually set at 10:10 for a number of reasons including: the hands are fully visible and not overlapping, you can see the manufacturer's logo clearly, and according to Timex, it makes the products look "happier" by simulating a smiley face.