You know the periodic table that hung on the wall of every science class you took at school? As of today, it’s wrong. Or more precisely, it's inaccurate.

The elements that make up each column of the periodic table share a set of common traits. Here, a chemist describes group 15 and the crucial role they play in life.

With the discovery, the girl with the Jemison poster on her wall had “claimed a seat at the periodic table,” Phelps said in her TEDx Talk. But despite the feat, Phelps again found herself ...

You may remember the periodic table of the elements as a dreary chart on your classroom wall. If so, you never guessed its real purpose: It’s a giant cheat sheet. We have 10 things you didn’t know ...