The term ‘tragedy’ today has entirely negative connotations. In classical Athens, however, tragedy was thought to have a therapeutic and healing function. It enabled Athenians to confront and move beyond their deepest fears and hatred through a process of catharsis, a change of heart. Recovering this view could have important implications for Ukraine.

Nanomaterials are turning sci-fi into reality and offer promising avenues for a wide range of applications in science and industry. We met with the book editors of “Nanochemistry” to talk about the tiny particles with great potential.