A lobsterman in Maine talks about the lure of working on the water
How the Hope Diamond's mysterious phosphorescence led to "fingerprinting" blue diamonds
Take a look back at the 50th anniversary of his ascent of Mount Everest
Hunter Hoffman, director of the University of Washington’s Virtual Reality Research Center, has a new take on how to deal with pain
The latest on the endangered mountain gorillas in war-ravaged Congo
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