Ravens' John Urschel shares his love of math with Franklin High students
The Baltimore Sun

STS-133 space shuttle Discovery at the International Space Station

Space shuttle Discovery commander Steve Lindsey (C) answers a question during a crew news conference from aboard the International Space Station in this image from NASA TV March 3, 2011. The astronauts are (L-R) Steve Bowen, Lindsay, Michael Barratt, Alvin Drew, Nicole Stott and pilot Eric Boe.NASA TV, REUTERS