A new book reveals that a member of MI6, the British spy agency, discovered during WWI that semen makes excellent invisible ink and often deployed it in the field. The name of the man who discovered this? Mansfield Cumming.
British Intelligence Agency Used Semen As Invisible Ink
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Video. Mark Ruffalo wasn’t joking.
The mere fact that we live in a universe boggles my mind every once in a while. But thankfully, our cosmic home is a place that follows rules; the laws of physics seem to agree everywhere, and galaxies are uniformly distributed throughout. Except for in this 300-million-light-year-long region, which seems to be missing something.