Mildred Dresselhaus, a renowned physicist and celebrated Massachusetts Institute of Technology professor who earned the title “Queen of Carbon” for deepening the world’s understanding of the atomic properties of carbon and the electronic properties of materials, died on 20 February following a brief illness. She was 86.

Don't wait for oil and gas production to run dry, the former U.S. Energy Secretary said, Instead, bet on technological advances in alternate and efficient energy.