Legendary mathematician Grigory Perelman, a notorious recluse, explained in a one-off interview why he has rejected a $1 million cash prize for solving a century-old mathematical problem. His research is too interesting due to its vast implications — both practical and philosophical — to spend time on other matters, Perelman said in an interview published Thursday in Komsomolskaya Pravda. Applications for his studies range from space industry and nanotechnologies […]