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Retailers in California can once again hand out free single-use plastic bags under an executive order announced on Thursday by Gov. Gavin Newsom, the latest turn away from reusable bags amid the coronavirus outbreak. The order permits stores to provide customers with disposable plastic bags for the next 60 days. …

In the beginning, there was “hairbrush”: one piece of wood with some animal hairs poked and looped through the top. A marvel! A wonder! But as time progressed, suddenly it became survival of the fittest—only the hairbrushes that could adapt to our ever specalizing needs lived on to brush another …

There seems to be a tendency to hastily use imperfect and questionable data to train an AI solution for COVID-19, a dangerous trend that not only does not help any patient or physician but also damages the reputation of the AI community. Dealing with a pandemic — as significant as …