The Periodic Table Turns 150

March 20, 2019. By Douglas B. Clark
This milestone of chemistry marked its 150th birthday this month. Read about the earliest existing copies, learn who's in charge of the current official version, and more.

March 2019 CEP Preview

March 12, 2019. By Cynthia Mascone
This month, an up-close look at process intensification, plus an intro to dividing-wall columns, a look at catalyst replacement economics, and more.