A fringe Soviet scientist managed to change the way genetics was perceived for decades, shedding light on our views of science. — At the end of HBO’s mini-series, Chernobyl, the nuclear physicist Valery Legasov states: “The truth doesn’t care about our needs or wants. It doesn’t care about our governments, our ideologies, our religions. It will lie in wait for all time. And this, at last, is the gift of Chernobyl. Where…