A handful of companies are coming up with ways to extend your phone’s battery life when you’re far from a power outlet.
Engineering a patient’s own immune cells to resist HIV could eliminate the need for lifelong antiretroviral therapies.
A new approach to powering AI software could produce artificial neural networks of “unprecedented size,” says Microsoft.
Mobile apps, sensors, and other technologies help cities handle growing challenges.
A technique that alters T cells has been shown to reduce the amount of virus in infected people.
A new prototype that turns the sun’s energy into hydrogen fuel could point the way to commercially viable artificial photosynthesis.
A Columbia scientist and his startup think they have a plan to save the world. Now they have to convince the rest of us.
A researcher shows he can control a cash machine remotely or on the spot.
SolarCity’s massive new manufacturing plant in Buffalo, New York, reflects a booming demand for solar power. Is it sustainable?
Why low oil prices will not halt the clean-energy revolution.