What gives some smart videogames a killer edge? They're built to encourage the kind of social meatspace play that boosts their entertainment value. Commentary by Clive Thompson.
It's the 25th anniversary of President Ronald Reagan's stunning announcement of a techno-plan to knock enemy missiles out of the sky. Many doubted its feasibility then, and many still doubt whether what got produced really works.
Scientists on a 2,000-mile journey through the Ross Sea in New Zealand's Antarctic waters are surprised by the giant size of some species, including jellyfish with 12-foot tentacles and 2-foot-wide starfish.
After completing their fifth and final spacewalk on Saturday, Endeavour's crew takes some well-deserved time off on Sunday before starting the journey home. Astronauts Michael Foreman and Robert Behnken attached a 50-foot inspection pole to the international space station and completed other chores during their six-hour spacewalk on Saturday.