School uniforms originated in medieval England (1222)
The earliest recorded uniform was the “cappa clausa” robe ordered by the Archbishop of Canterbury. nudes
Black cats are black because of high levels of eumelanin pigment, and the gene that produces it is dominant. A kitten only needs one black gene from a parent to have a black coat.
Selective mutism is a real thing. It's an involuntary anxious response, meaning most of the times the person WANTS to speak but cant! In relaxed situations they can even be super chatty!
The vagina lacks its own glands.
Unlike many organs, the vagina itself doesn’t have secretory glands—the moisture comes from cervical mucus and surrounding structures
