Tim Peake was strapped to a treadmill aboard the ISS
                                
                                
                                    (Newser) -
                                    British astronaut Tim Peake has completed the London Marathon—from 250 miles above the Earth, reports the  AP . Peake ran the 26.2-mile race harnessed to a treadmill aboard the International Space Station, with a simulation of the route through London's streets playing on an iPad. He finished in...