At a Scottish university, the oldest periodic table of elements was unearthed, dating back just a few years after the concept was first envisioned by Russian chemist Dmitri Ivanovich Mendeleev. In ...

A fun, interactive periodic table that answers the important question: "Can I lick it?" Each element is color-coded based on how safe (or dangerous) it would be to lick it, with humorous tooltips ...

This repository helps teachers generate math worksheets for students based on whatever theme they wish. The generator creates plain and pirate themed math worksheets ...