It's a Protestant thing, I believe. Catholics have a central authority that is in charge of telling people more or less what to believe, but Protestants are fre

It's a Protestant thing, I believe. Catholics have a central authority that is in charge of telling people more or less what to believe, but Protestants are free to make their own interpretations so they sometimes choose to believe stuff that sounds crazy to outsiders. The Catholic Church happens to believe in evolution, so most Catholics accept evolution as well.