Hold on to your learnin' hats, because almost everything that we traditionally file in the 'natural' folder has been tampered with well beyond recognition.
There are some lucky bastards out there whose accidental discoveries made their entire lives. The best part? They didn't even have to leave their own homes.
There are several popular doomsday scenarios that movies and the Internet love to toss around, despite the fact that, according to science, they could never possibly happen.