Why Does Stepping On a Lego Hurt So Bad?

There are some things you wouldn't wish upon even your worst enemy. Stepping on Legos being no such exception. The mind bending pain of a bare foot pressing down on a Lego is one of the worst known to humanity, but how does something so innocent looking create such an intense feeling?

American Chemical Society——Bio and Archives

American Chemical Society, ACS is a congressionally chartered independent membership organization which represents professionals at all degree levels and in all fields of chemistry and sciences that involve chemistry.