› added 6 years ago

89

TIL in the 13th century, the Holy Roman Emperor Frederick II took two infants, raised them apart only to be suckled by nurses and not to be communicated with in attempt to see what the natural language of humans was (Hebrew or the language of their parents). However, the children died of neglect.

Read more wikipedia.org

via reddit.com

mxmoO TIL Female brown trout will fake 'orgasms' when courting with inferior males. She'll give all the right visual cues as if about to release eggs for fertilisation, but doesn't; the male will frantically ejaculate, not notice he's been duped, and swim away.
epe6J TIL that the Islamic Republic of Iran allows gender transition surgery and subsidizes it. This was introduced by the Islamic revolutionary Khomeini after he came to power. Today, many Europeans travel to Iran for gender confirmation and reassignment surgery.
7rd47 TIL dogs don't always bark at people through fences or windows out of aggression, but rather something known as 'barrier frustration' where they are annoyed they can't go up and say hello.
PxMw TIL that in development for Star Treck TNG, Gene Roddenberry wanted Deanna Troi to have four breasts.
nW4d TIL hair length is significantly correlated with female attractiveness because it reveals several years of a person’s health status, acting as a cue signifying reproductive potential.