Climate change| NBC News

Science Guy Bill Nye adds smarts to smartphones
Bill Nye the Science Guy is celebrating the 20th anniversary of his science show's debut with an app that puts games, experiments and bow-tie tips on smartphones and tablets.

Apple TV gets HBO Go, WatchESPN

Battery tests show Apple's new MacBook Air beats competitors by a mile

Google: 'We're not in cahoots with the NSA'

Explore a billion-pixel view from Mars rover

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Climate Connections
It's still something of a puzzle, but the symptoms of global warming are strong as is the evidence for a significant manmade contribution. Check out the pieces and suggest your own additions.

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Slideshows

Francesco Zizola / NOOR	Rising ocean levels threaten Maldives The Maldives, the lowest-lying nation on Earth, is at risk of disappearing from the world map, scientists say.
Stanley Greene / NOOR	Greenland’s shrinking ice hurts native tribe The Inuit, who survived for centuries by hunting seals and whales, are watching their way of life disappear.
Jon Lowenstein / NOOR	Picturing Climate Change View some of the causes and consequences of climate change from around the world.