With Covid-19, a Seismic Quiet Like No Other

The New York Times | July 23, 2020, 6 a.m. | Original
Coronavirus shutdowns led to “the longest and most coherent global seismic noise reduction in recorded history,” scientists report.
A High-Tech Array of Travel Tools: ‘Smart’ Health Cards,Temperature-Reading Glasses and More With Officials’ Backing, Dubious Virus Remedies Surge in Latin America