Calestous Juma, 64, Dies; Sought Innovation in African Agriculture

Professor Juma believed that science, particularly biotechnology, could play a major role in improving life in Africa.

How ISIS Produced Its Cruel Arsenal on an Industrial Scale

When the Islamic State seized territory in Iraq and Syria, it had the time and space to industrialize advanced weapons manufacturing. The results included explosive space heaters and chemical rockets.

Economic View: Get Ready for Technological Upheaval by Expecting the Unimagined

September 2, 2017 Economic View By SENDHIL MULLAINATHAN Self-driving vehicles could upend the transportation sector and eliminate a million or more jobs. Algorithms that decode M.R.I.s put a whole medical subfield at risk. And the list of professions and sectors soon...