The coronavirus is coinciding with "significant decreases" in nitrogen dioxide over China, according to NASA, as authorities there continue to place more people under quarantines and some businesses remain closed amid the outbreak. Pollution monitoring satellites operated by NASA and the European Space Agency (ESA) detected the decreases over a two-month span, according to a news release. The drops coincided with the outbreak and the Lunar New Year, which was unusually tame because many decided to stay indoors rather than risk becoming infected. “This is the first time I have seen such a dramatic drop-off over such a wide area...