› added 6 years ago

220

TIL that high levels of dopamine and a related hormone, norepinephrine, are released during attraction. These chemicals make us giddy, energetic, and euphoric, even leading to decreased appetite and insomnia – which means you actually can be so “in love” that you can’t eat and can’t sleep.

Read more sitn.hms.harvard.edu

via reddit.com

awBg9 TIL Science shows that the Egg came first, not the Chicken. 1. The first egg was laid by a bird that was not a chicken. 2. The first amniotic (hard-shelled) egg laid on land was around 312 million years ago. Chickens are domesticated descendants of red junglefowl from at most 8000 years ago.
Yp5V7 TIL about Sanada Masayuki, the head of Sanada clan in the 16th century, sent his older son to join the Tokugawa army and his younger son to the opposing army at the Battle of Sekigahara, the turning point in feudal Japan, to ensure the survival of the clan, regardless of the outcome.
Eg5OX TIL that there’s a female chimpanzee who enjoys TV porn. Not only does she use the remote control perfectly well, but she also regularly chooses adult entertainment over other programming by herself.
b6LEa TIL of "su filindeu" ("Threads of God"), a pasta so intricate it's considered one of the rarest pastas in the world. Made by only three women on Earth, attempts by others to recreate the techniques involved in its creation have proven impossible.
Lk50d TIL that the Soviet Union successfully landed 10 probes on the surface of Venus between the years 1961 and 1984. In spite of the short life spans of the Venera landers due to the extreme surface conditions, several of the landers were still successful in transmitting imagery from the surface.