› added 9 years ago

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TIL it’s impossible to smoothly scan your eyes from left to right (or vice versa), except if you’re tracking a moving object. Otherwise, your vision jumps from focus point to focus point, even while reading.

Read more ncbi.nlm.nih.gov

via reddit.com

QNkp6 TIL from Aristotle that "the privy parts of the male camel are directed backwards"
kO5Eg TIL that in 1992, a 53 year-old woman Geraldine Wesolowski who was postmenopasual gave birth to her own grandson. She was the gestational surrogate for her son and his wife since they couldn't conceive a baby due to hysterectomy
rRnAM TIL of heat death, where the universe will eventually turn into a cold void with no interactions between particles, its ultimate death
VrMp TIL the inventor of the smiley face only made $45.
PZDL TIL German was the second largest spoken language in the U.S. before it was forcibly oppressed during the First World War. Americans with German ancestry, are still the single largest ethnic group in the U.S.