Posted May 26, 2017
At the US Hanford Nuclear Reservation in Washington State, there are 177 tanks of chemicals containing almost the whole periodic table—including 500 kg of plutonium. Last week, the whole site—which converted uranium to plutonium for atomic bombs during the Cold War but now exclusively acts as a storage facility for nuclear waste—was put on lockdown after one of the tunnels containing highly contaminated waste collapsed. Read more.