Einstein’s cryptids: The disputed, but possible, phenomena of the cosmos

They say the Goatman prowls the woods at night near my home in Maryland. He was once a biologist named Stephen Fletcher at the Beltsville Agricultural Research Center. That was before the accident with goat DNA transformed him into a half-­human, half-­goat monster who devours victims that he slays with an axe. It’s been decades since I first heard of the Goatman.
Honestly, I’m fairly certain that the carnivorous goat–­human hybrid isn’t real. It’s hard to prove something doesn’t exist, though. There are things you don’t believe in because they’re at odds with what you’re confident is true. Perpetual motion machines and alchemists’ stones that turn lead into gold don’t exist. If they did, lots of established science would need to be wrong.
Then, there are other things you might not believe in, mostly because of a lack of evidence. Bigfoot is one. There’s no reason I can think of that a large, hairy humanoid couldn’t exist. Still, I’m pretty sure it doesn’t. I als