A twitter fan directs us to a post on Robert Krulwich's NPR Science blog featuring Commander Chris Hadfield of the International Space Station, where he answers a question posed by two high school students: what happens when you wring out a wet washcloth in space?; and a gripping interactive feature from the New York Times, offering first person accounts from those who were at the finish line when the bombs went off in Boston.April 24, 2013