Automation is reducing the need for people in many jobs. Are we facing a future of stagnant income and worsening inequality?
A new prototype that turns the sun’s energy into hydrogen fuel could point the way to commercially viable artificial photosynthesis.
The man who took over stewardship of Bitcoin from its mysterious inventor says the currency is in serious trouble.
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 Columbia scientist and his startup think they have a plan to save the world. Now they have to convince the rest of us.