› added 11 years ago

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TIL that certain frequencies of infrasound ~20 Hz can cause disruptions in human perception because they resonate the eyeball and cause hyperventilation. People have reported being haunted by “gray masses” that were later explained by the presence of low-frequency machinery.

Ypd6r TIL that Broccoli and Cauliflower are man-made and never existed naturally, but were rather bred from wild mustard.
JY8xl TIL Johnson & Johnson knew there was Asbestos in Baby Powder for decades
PYm7G TIL Frederick the Great and Voltaire once exchanged rebuses.
NX56e TIL: The consensus is that octopuses are most likely sentient.
0wQJA TIL the melody used by the Boney M hit "Rasputin" actually comes from a Turkish folk song called "Katibim."