U.S. Department of Energy @ENERGY
IN HER ELEMENT: Shoutout to Clarice Phelps, a nuclear chemist at @ORNL who was the first African-American woman to contribute to the discovery of an element in the Periodic Table (117) tennessine. #STEMRising https://t.co/4I4LLywLmd https://t.co/7sNFhI2w8F — PolitiTweet.org