ATCC scientists Tim Lilburn and Amy Smith have loaded a microbe zoo into tiny tubes that will soon launch on Space Shuttle Endeavour. Emily Lakdawalla reports that liquid methane worlds like Titan may be common in the galaxy. Fifty years after Yuri Gargarin's flight, Bill Nye sees commercial spaceflight coming on strong. A celebrity Random Space Fact comes to What's Up with Bruce Betts and Mat Kaplan. You might win the new space trivia contest.