There are invisible dangers all around us—ancient viruses locked away in glaciers waiting to be defrosted. Carcinogenic microplastics hidden in the dust under the carpet. Zombie proteins that cause cows to go mad. Yup, knowledge can be pretty scary. If you’d rather remain blissfully ignorant, we don’t blame you. But if you’re morbidly curious in disturbing not-so-fun facts, this reddit thread is the nightmare-fuel you’ve been looking for.