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TIL The human foreskin uniquely contains hormone receptors whose purpose is not yet fully understood but may directly influence the androgen-mediated growth of the penis during puberty

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v1yLB TIL that some frog species are freeze-tolerant: they will freeze in the winter to the point that their heart stops, and thaw and repair once temperatures go up.
J1Aym TIL Cigarette smoking has a positive relationship with caffeine tolerance and metabolism because it induces the cytochrome P450 1A2 enzyme that breaks down caffeine.
6EvYY TIL Ben & Jerry's want to sell CBD infused ice cream!
JEj4 TIL the Slinky was conceived of in 1943 by Richard James. While working at a shipbuilding company, he watched a torsion spring fall off a table and flip end over end. His wife came up with the name Slinky after looking through the dictionary for a word that described the motion of the spring.
4Xnko TIL our ears and noses continue to "grow" as we age, but not due to our physiology. Instead, it is gravity which is responsible for pulling the cartilage of our ears and noses down, stretching the surrounding skin, which we perceive as growth