Google vice president Alan Eustace is lifted by a balloon into the stratosphere, in a record-breaking skydive over New Mexico Friday. Paragon Space Development Corporation/Reuters /Landov hide caption

itoggle caption Paragon Space Development Corporation/Reuters /Landov

British cyclist Graeme Obree, 48, celebrates setting the land speed record for prone cycling at the International Human Powered Vehicle track near Battle Mountain, Nevada. AFP/AFP/Getty Images hide caption

itoggle caption AFP/AFP/Getty Images