Microsoft's announcement of its Bing AI last week was received with much fanfare, which even prompted Google to rush through its botched announcement. The experience of some early testers, however, hasn't been very good, and the whole thing could backfire. Also in this brief, Tesla is recalling more than 360,000 cars over safety concerns related to its driver-assistance software. And scientists in India have developed a non-toxic nanocomposite coating to prevent bacterial infections at the site of surgical wounds that is superior to existing commercial products