ScienceGlobal issues'Nobody in Ukraine is safe'To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGlobal issuesConor Dillon | Gabriel Borrud03/11/2022March 11, 2022We spoke to a theoretical physicist on the ground in Ukraine about his life, his work during war — and the nuclear threat.https://p.dw.com/p/48MD8Advertisement