Okay, now you become rude, just like a typical trumpsucker. I know this might be difficult for your mind to understand, but I'm not a Democrat.
It's not impossible to follow the scientists, because that's how all technology works, including the computers we're using right now. They do come up with better or different theories as they get more info, because that's what any intelligent, honest person does. Unlike trump or his brainwashed cultists.