Print 11Sep20099:27pm, EDTWeekend field trips on the Web 'Nova' on PBS: 'Arctic Dinosaurs' ACS: Chemical registry hits the 50-million mark The New Yorker: Still searching for Amelia Earhart The Economist: Private-sector rocketeers are flying high Wired: Rescuers shave seconds to save lives in Afghanistan Explore related topics: daily-dose
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