Medicine & TechnologySmart alarm clocks should be better than standard alarm clocks. However, they lack one thing that is standard in the "dumb" versions. Here's why you cannot trust smart alarm clocks.
A visual prosthesis comprising a camera and a brain implant recently made it possible for a blind teacher who's had no vision for 16 years to see again.
Scientists at Northeastern University have turned cow manure into a filter that separates salt in seawater to make it into drinking water. They hope this technology can address the global water scarcity.