› added 10 years ago

73

TIL in 1975 P&G released the super-absorbent and long-lasting ‘Rely’ Tampon brand, marketed under the tagline “It Even Absorbs the Worry.” However, because women left the tampon in so long, the bloody tampon was perfect environment to culture bacteria, causing an epidemic of Toxic Shock Syndrome.

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DQvjV TIL the smell of women's tears can reduce aggression in men
ryAM TIL in 1795 the only known instance of a naval defeat by Cavalry occurred.
b9Yw4 TIL in 1999, a study was conducted on the power of crystals vs. placebo. 80 people were asked to meditate with either a quartz crystal or a placebo stone which was indistinguishable from quartz. Most reported feeling typical "crystal effects" irrespective of whether the crystals were real or placebo
kJrQm TIL that the entire state of Michigan was poisoned in 1973
e04d5 TIL about Euler's disk, which can spin for an absurdly long time, and seemingly defy gravity by increasing its axial precession as it decreases it's azimuthal rotation.