› added 8 years ago

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TIL that the oldest razor-like object has been dated to 18,000 B.C. and people have shaved since prehistoric times.

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via ift.tt

AD5Mw TIL That most white cats with blue eyes are deaf
x6r9w TIL that the concept of cognitive dissonance explains why some followers double down when their leader fails - admitting they were wrong is too painful. Psychologist Leon Festinger coined the term after infiltrating a 1954 UFO cult whose members became more devoted when their prophecy failed
X0V1Q TIL the estimate of the Earth’s tree population, published in Nature, exceeds the number of stars in the Milky Way.
wL7vo TIL That the Oldest Archived Arpanet message is dated from 11 November 1980 and used Bang path email addresses.
P1Ybe TIL John Wayne Gacy can be linked to two other serial killer "operations" by what seems to be sheer coincidence