China, which had no deaths from COVID-19 on its mainland for eight months, has responded to reports of 500 new cases by locking down 28 million people. Also, for the first time in its 30-year history, an Israeli human rights group, B'Tselem, has called Israel an "apartheid regime" in a new report. And, the first place many of us go answers about any given subject is Wikipedia. The online encyclopedia, which is curated by volunteers  and open to all, turned 20 on Friday.