Theoretical chemistry

Study answers questions about an elusive tiny molecule

March 15, 2022

Artistic rendering of N2O5 molecules colliding with water droplets in the atmosphere.

Artistic rendering of N2O5 molecules colliding with water droplets in the atmosphere. Image credit: Vinícius Cruzeiro.

A new study with implications for atmospheric chemistry has answered some long-...

Beloved colleague Andrew Streitwieser has passed away

February 24, 2022

Andrew Streitwieser in his office, 1970s

Portrait of Andrew Streitwieser in his office, 1970s. (Photo Dennis Galloway)

We are sorry to share the sad news that Andy Streitwieser, beloved colleague and professor emeritus of chemistry, passed away on February 23, 2022 at the age of 94.

Andy was born in Buffalo, New York in 1927. He...

Rethinking the Tree of Life with new tools

January 17, 2022

Morning Glory Pool, Yellowstone National Park

Finding Archaea: Archaeans inhabit some of the most extreme environments on Earth. Woese and Fox’s genetic analysis led them to redraw the Tree of Life, incorporating this third domain. (Photo: Morning Glory Pool, Yellowstone National Park; Jim Peaco; March 2015; Catalog #20008d.)...

What happens when your discovery becomes personal?

August 22, 2019

Richmond Sarpong

Until this year Robert Harris and Robert Bergman have been esteemed colleagues at the College. Recently however, when they were at an event discussing an interview Bergman had done with Professor William Lester, they made a very interesting personal discovery. Their lives had more than crossed as children living in Chicago’s Hyde Park. In fact, they had lived about 100 yards from each other across an alleyway.