A U.S. cyclist who pedaled across 50-plus countries for peace and charity was run over and killed in Russia by a drunken truck driver, ITAR-Tass news agency said Friday.
Mathematician Grigory Perelman, famous for solving a Millennium Prize Problem and turning down the award, has moved to Sweden, a Russian newspaper reported.
In the world of cosmology, the latest scientific evidence has revealed that 85 percent of the universe is made up of dark matter. We can't see it, but it is definitely there. The equations tell us it must be, for nothing else explains the visible effects of mass on the universe.