The green slime is called Rad Slime. It has not yet been added to the game, but, by using commands you can spawn it. The Rad Slime emits some radiation because of which you cannot stay too long near them. On the slime wikia it says it will be added in the
George Washington wore several different sets of dentures over the course of his lifetime, none made of wood. Instead, the dentists treating him would have used the cutting-edge materials of the time: bone, ivory, lead, brass, gold, and the castaway teeth of horses, donkeys, cows, and, yes, human beings.
George Washington suffered from dental problems throughout his life. He lost his first tooth at age 22, and by the time he was inaugurated in 1789 he had only one natural tooth remaining. He eventually lost all of his teeth and owned many pairs of dentures in his lifetime.