With its economy in ruins, Cuba is starting over. Can the impoverished country make 'sacred' cattle multiply like rabbits?
Playing computer games doesn't shorten kids' attention spans-it helps them to manage competing demands in the new era of "continuous partial attention."
Their work won't show up in next year's models, but researchers at MIT's Sloan Automotive Lab are creating the fundamental knowledge that will help car engines keep getting better.
Electric cars powered by hydrogen fuel cells don't produce greenhouse-enhancing carbon dioxide. But producing hydrogen does-and if we want to reduce our petroleum dependence, we're going to have to reconcile ourselves to that fact.
Researchers are devising molecular structures that identify, attract, and react with toxic waste far more efficiently than conventional treatments-and leave behind only harmless byproducts.
How to turn garbage into fuel.
Fuel cells could cut jets' energy consumption, emissions.
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Israeli scientists are teaming mirrors, fiber optics, and photovoltaic cells to bring solar power to a new intensity.
Are kinder, gentler weapons more evil than meaner, crueler ones?