Strangest Things Ever Found In Textbooks

Colorblind

ebaumsworld

This book either has a terrible mistake or is trolling the hell out of all the students trying to get them to go to the eye doctor as soon as they can. Except wait, do you see the number fifteen?

Puberty

hankermag

We think that all bodies are great and we know that puberty and growing up might bring some unexpected changes but: has it ever happened that someone got a body like this during puberty?