Chernobyl: Radiation spike at nuclear plant seized by Russian forces But a disaster at the defunct nuclear power plant there is "extremely unlikely", experts say. Source
Russian vigilante hacker: ‘I want to help beat Ukraine from my computer’ A group of "patriotic" Russian hackers say they revel in causing chaos with cyber-attacks on Ukraine. Source
Bitcoin less green since China ban, research suggests Mining new bitcoins now uses less renewable energy and creates more pollution. Source