The Download: new AI regulations, and a running robot

One city's fight to solve its sewage problem with sensors On good days, just before each line ends, a vertical throttle pipe diverts the sewage into an interceptor tube, which carries it to a treatment plant where solid pollutants and bacteria are filtered out. As in many American cities, those pipes are combined with storm drains, which can fill rivers and lakes with toxic sludge when heavy rains or melted snow overwhelms them, endangering wildlife and drinking water supplies. But city officials have a plan to make its aging sewers significantly smarter. These kind wildlife workers in Virginia really went above and beyond to look after an orphaned fox kit. This version of Smells Like Teen Spirit is banging.