› added 7 years ago

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TIL the Aztecs made swords embedded with prismatic obsidian blades that are far sharper than even high quality present day steel razor blades.

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ANOp7 TIL about a Cervical cerclage. It is a treatment for cervical weakness, when the cervix starts to shorten and open too early during a pregnancy causing either a late miscarriage or preterm birth.
W70rY TIL the only wedding ceremony of a president serving in the White House was Grover Cleveland in 1886. At 49, he married a 21-year-old woman he had previously been the legal guardian of, and John Philip Sousa provided the music.
w0AP TIL Ghengis Khan forbade the selling of women, theft of other’s properties, decreed religious freedom, outlawed hunting during breeding seasons, and exempted the poor from taxation.
0j9L TIL all humanity has a common (8000x) grandmother. An African woman who lived 200,000 years ago is the common maternal ancestor of all humans alive today.
d4e7 TIL there exists a massive abandoned supercollider in Texas.