embryo.asu.edu

5VAOB TIL about Percivall Pott and his discovery of the connection between scrotal cancer and chimney sweeps caused by exposure to soot
p8p7G TIL about Split-Brain-Patients, who have their brain hemispheres disconnected. While those "do not show any significant difference in function" from healthy persons, you can prove with specific experiments that there are two brains working independently without recognizing each other
b9jnE TIL about Twilight sleep, a procedure used for labor in the early 1900s. Women were drugged, restrained in a dark room with gauze on their eyes and ears plugged. The purpose of the drugs was to cause the women to forget the childbirth, not prevent pain, as they were still conscience the whole time.