TechnologyTiny brain sensor implanted without surgery dissolves after weeks In animal tests, a cube of hydrogel the length of a rice grain was implanted in the brain with a needle to monitor temperature or pressure, and then dissolved away after a few weeks 51¶¯Âþ
TechnologyWhy our ageing world could accelerate progress in AI and robotics We are heading for a demographic crunch later this century, but might a workforce of intelligent machines compensate for a likely lack of human workers? Leader