Dozens killed in South Africa bus crash

This podcast episode discusses various topics including road safety in South Africa, the potential of immunotherapy drugs for breast cancer, the imprisonment of a reporter in Russia, the devastating fires in Sudan's Darfur region, Huawei's recovery after US sanctions, the reception of the film "Oppenheimer" in Japan, reactions of Hiroshima survivors to the film, and adaptations of mammals to climate change and human impact.