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School openings so far reveal science is right -- masking works
CNN
As schools start classes across the United States, public health experts warn that the politics around masks could hinder the nation's fight against Covid-19.
But the real-life evidence about masks leaves little doubt that they work. In some places where schools have been open for a while now, such as Georgia and Hawaii, public health experts notice what happens when schools follow the science: classes go on without disruption as long staff and students wear masks.More Related News

The governments of Mexico and the United States signed a memorandum of understanding on Thursday to fund and expedite several wastewater treatment projects in the Tijuana River basin. Untreated wastewater continually affects residents living along the river, which flows across the border from Tijuana and through several of San Diego’s southern neighborhoods.