› added 4 years ago

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TIL that while researchers used to think premarital cohabitation led to less early divorces but more longer-term marriages, that may no longer prove true. Researchers now think premarital cohabitation has short‐term benefits and longer term costs for marital stability.

Read more onlinelibrary.wiley.com

via reddit.com

b9lP4 TIL Human echolocation is completely real. Daniel Kish is a blind man that learned to use clicking to ride a bicycle and hike alone. He also teaches other blind children how to echolocate.
kxMW TIL that if you took the entire US Debt and converted it to pennies and stacked them all on top of each other, it’d be so long that it’d take light just under 2.5 hours to traverse the distance
g94L TIL Male chickens over 1 year old are roosters, those under are known as cockerels. Females over a year old are hens while those under are pullets.
9YlGD TIL When a flock of starlings are murmurating (flying in those shape-shifting patterns) Each individual birds' movements are copied by 7 of its closest neighbours, and each of those neighbours' movements affect 7 more and so on through the flock.
J9OQ TIL a small number of the students admitted into Harvard are placed in a ‘Z-list’ and are required to take a year off before coming to Harvard.