› added 8 months ago

45

TIL The average IQ difference between a parent and child is the same as the difference between siblings, about 12 IQ points. A parent with a high IQ will usually, but not always, have children whose IQs are somewhat lower than theirs but are still above the average for the general population

Read more calteches.library.caltech.edu

via reddit.com

oBpeA TIL Crispin Glover, who played George Mcfly in Back To the Future, is 3 years younger than Michael J. Fox who played his son Marty in the film.
8a14a TIL As part of a 1991 ocean dumping ban, NYC was allowed to transport their sewage to Sierra Blanca, TX. The train became known as Poo Poo Choo-Choo.
grmNX TIL: In the 18th century, wealthy landowners in England employed ornamental hermits to live in seclusion on their estates as a novelty and form of entertainment for visitors
9YKyB TIL that when King Alfonso of Castile died of bubonic plague on 27 March 1350, he became the only reigning monarch to die in The Black Death.
X7Ak TIL in 1974 there was a single man flying machine called “Williams WASP X-Jet.” It had no wings, and no propellers. It could fly up to 60 MPH, had a service ceiling of 10,000ft and could fly for nearly 45 minutes. (Video in the link)