Michelle Thaller, astronomer and research scientist at the NASA Goddard Space Flight Center, joins Press the Button to discuss the science behind nuclear weapons, and what exactly makes them so dangerous. Early Warning discusses recent revelations that the Trump administration considered resuming US nuclear testing, which has not occurred since 1992. In the Silo features our senior program officer Cara Wagner on the Consensual Straitjacket, New America's landmark report on the challenges faced by women in the nuclear field.