Mark Zuckerberg’s plan to make Internet access more widely available faces a public backlash in India.
Capital and engineering talent have been flocking to seemingly trivial mobile apps. But would we really be better off if more startups instead went directly after big problems?
Evaporative cooling plus drying with desiccants equals cool air for less cost.
We have the technology to dramatically increase the independence of people with spinal-cord injuries. The problem is bringing it to market and keeping it there.
Rust nanoparticles could help treat arsenic-contaminated drinking wells.
A breakthrough process at the University of Pennsylvania reactivates moribund cells in the skin to restore a thick head of hair–and it may cure acne, too.
Precise and easy ways to rewrite human genes could finally provide the tools that researchers need to understand and cure some of our most deadly genetic diseases.
Routers on 600 buses and taxis allow free Internet access and collect data for city planners.