October 23rd marks Mole Day in the United States. Chemistry classes and chemistry enthusiasts celebrate this unofficial holiday with activities, cakes and jokes galore. Here’s what you need to know. A ...

Contrary to what some may think, Mole Day is not about the small animals known as moles. Instead, it revolves around a scientific unit of measurement called the "mole," which represents an amount of a ...

Happy Mole Day. Yes. Mole Day. Just about every month this is some special day. There's Gravity Day, e-Day, Pi-Day, and Talk Like a Pirate Day. Mole Day celebrates the mole unit. That same mole you ...