Exploration, for March 9, 2004 - 2:00pm
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Mars Society president Robert Zubrin. Also: Direct evidence that liquid water flowed on Mars; Comission reports no 'insurmountable obstacles' to manned moon and Mars - doesn't mention how much it will cost; Did meteor or comet really kill the dinosaurs?; Does EPA underestimate cancer risk of toxic chemicals?; Can information survive when you throw something into a black hole? String theory has answer.