› added 12 years ago

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TIL The basal epidermal cells of the human foreskin contain estrogen receptors, whose purpose is not yet fully understood and requires further study

Read more ncbi.nlm.nih.gov

via reddit.com

VBANG TIL the voice of the announcements on the New York City Subway system is that of Bernie Wagenblast, a transgender woman
R7WJa TIL the reef stonefish (Synanceia verrucosa) is not only a master predator but one of the most venomous fish in the world, even lethal to humans. Its appearance is that of a crusty rock affording the fish uncanny camouflage. Each of its 13 dorsal spines has two venom sacs containing 3 deadly toxins.
1aVRW TIL that for six months Daniel Radcliffe wore the same clothes every time he went out in public, so that the paparazzi could not sell any photos of him.
kJ1Wm TIL about Johnny Clem, who joined the Union Army as a drummer boy at age 10. Clem became a legend when he shot and killed a Confederate Colonel at the Battle of Chickamauga in 1863.
6EPXW TIL fiber-optic internet cables on the sea floor has to be wrapped in kevlar to protect them from shark bites