In the 117 years since the first solar cell was developed and the 110 years since the first powered flight, you’d have thought we would have combined the two technologies by now. When you’re trying to get from place to place …
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Water Worlds: Has NASA Found Mirror Earths?
The Kepler Space Telescope might have hit the motherlode
Why Innovation Alone Isn’t Enough to Win the Climate Fight
After the failure of cap and trade, many climate advocates have focused on energy innovation as a way to sidestep tough politics. But there’s avoiding the battle over climate change
Ancient Human Poop: Ah, the Tales It Can Tell
Humans leave a lot of priceless artifacts — and some not so priceless ones. But both kinds can teach us a lot.
Desert Dreams: Can the Middle Eastern Country of Qatar Learn to Feed Itself?
Qatar is a desert nation with lots of oil and natural gas, but little arable land. That’s meant importing most of the food the country needs, but with climate change threatening agriculture, Qatar is willing to spend billions to …
Cosmic Old Faithful: Are There Geysers on Mars?
Dramatic images going wide for the first time tell a surprising tale of Martian eruptions
The Great, Wet, Cosmic Rock
The asteroid Vesta turns out to have had a very watery past
Window on Infinity: Pictures From Space
Stunning images of the sun, Earth and far-away locales in our roundup of cosmic views from August 2012.
E-Waste: How the New iPad Adds to Electronic Garbage
There was a major news event yesterday over at Apple HQ in Cupertino, California, which I know because my Twitter feed was filled alternately with people live-blogging the event (“retina display!”) and mocking the live-blogging
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Spreading the Gospel of Green Business to Latin America
You probably wouldn’t know it from the U.S. media, but there’s a whole continent south of the U.S. Latin America rarely gets the media or public attention it deserves in part because of good reasons—years of relative political stability after the civil wars and juntas of the Cold War era, along with generally prosperous …