Leslie Dewan, a nuclear engineer, explains what worries her the most following Russia's attack on the Zaporizhzhia nuclear power plant, and how the plant differs from the one in Chernobyl. Plus, retired Gen. Wesley Clark offers perspective on why Russia attacked the facility. | CNN

NATO is beginning its annual nuclear exercises just weeks after Russia’s president raised the spectre of using nuclear weapons as the war in Ukraine continues. Al Jazeera’s Alex Gatopoulos breaks down Russia’s nuclear threat. | Al Jazeera English

Scientists used computer modeling to predict the effects of nuclear war on Earth and it's not pretty. | myscienceacademy.org