This number--called a mole--is a basic measuring unit in chemistry. Mole Day typically falls during National Chemistry Week. Students develop a new method of counting objects, called the PCU, and ...

The spring ACS meeting prompted the usual flurry of blog posts, albeit possibly slightly reduced because of scarce internet connections in the venue. Katharine Sanderson blogged for Nature News at ...

In honor of this year’s Chemists Celebrate Earth Week theme, “The Buzz About Bugs: Insect Chemistry,” I traveled all the way to the University of Puerto Rico, Rio Piedras, to meet with Dr. Riccardo ...