A simple, cheap device turns sunlight into hydrogen fuel.
A new fuel rod design will be tested in a full-size reactor, but some worry it could bring fresh safety problems.
A new study says the population could hit 12 billion by 2100, though it doesn’t take into account the effects of climate change, food shortages, disease, or conflict.
A faster enzyme for turning CO2 into sugar is a key step toward much higher crop yields.
A soft, lightweight exoskeleton developed at Harvard applies assistive force without interfering with a person’s normal gait.
A California factory recently built by Japanese-German firm DMG Mori Seiki makes the case for the future of U.S. advanced manufacturing.
Companies that use natural gas as a raw material find the U.S. an increasingly attractive place to be.
A FutureGen project in Illinois aimed at capturing carbon dioxide from a rebuilt coal power plant is threatened by a lawsuit and a deadline.
Nanostructured ceramics could be used to build lighter, stronger airplanes and batteries.
Record levels of atmospheric carbon dioxide reflect a healthier economy, cheap fossil fuels, and the absence of effective carbon-reducing policies.