› added 3 years ago

376

TIL teeth are not bones but are evolved fish scales

Read more bbc.com

via reddit.com

VM68m TIL 'fight or flight' is actually a description of the male response to acute stress. The female response can be more accurately described as 'tend and befriend'. This has implications for how we think about what stress does to our bodies and how best to cope with and recover from it.
v1N9x TIL Less than a quarter of U.S. workers report using math any more complicated than basic fractions and percentages during the course of their jobs. Blue-collar workers generally do more advanced math than their white-collar friends
W7MjA TIL: A male Wyandotte chicken lived for 18 months after his head had been cut off
8aBo4 TIL During World War II, Steinway & Sons airdropped pianos with large parachutes and complete tuning instructions into the battle for the American troops. Called the Victory Vertical or G.I. Steinways, the pianos were to provide a bit of relaxation. The pianos came in olive, blue, and gray drab.
P1A8L TIL: "Soaking" is a sexual practice where the penis is inserted in the vagina but without any thrusting. It is a loophole for people who practice religions that prohibit premarital sex.