Iran’s deputy foreign minister said today that his country and Oman are close to finalizing an agreement with the US to reopen the Strait of Hormuz. Also, an ongoing NATO study tries to figure out why operators of high-speed rescue boats are at risk of chronic brain injuries. And, on the 81st anniversary of the US dropping a nuclear bomb on Hiroshima, we discuss a recently unearthed memoir that offers a firsthand account of what one man witnessed that day. Plus, capybaras become frequent visitors at a state legislature in Brazil.