Today, chemistry students and nerds everywhere celebrate Mole Day with stuffed animals, cakes, t-shirts and a whole lot of puns and bad jokes. In this case, a mole isn't referring to the cute ...

It’s October 23, or Mole Day for chemistry enthusiasts. From 6:02 a.m. to 6:02 p.m. students and teachers celebrate their love of chemistry with Avogadro’s number — 6.02 x 10^23, a unit of measurement ...