Contributing Correspondent Lizzie Wade talks with host Sarah Crespi about the role of inequality in past pandemics. Evidence from medical records and cemeteries suggests diseases like the 1918 flu, smallpox, and even the Black Death weren’t indiscriminately killing people—instead these infections caused more deaths in those with less money or status.
Also this week, Aaron Wech, a research geophysicist for the U.S. Geological Survey at the Alaska Volcano Observatory, joins Sarah to talk about recordings of more than 1 million earthquakes from deep under Hawaii’s Mauna Kea volcano, which hasn’t erupted in 4500 years. They discuss how these earthquakes, which have repeated every 7 to 12 minutes for at least 20 years, went undetected for so long.
A selection of three essential articles read aloud from the latest issue of The Economist. This week, how will
When a man returning from Wuhan, China in January 2020 exhibited symptoms of the novel coronavirus, public health officials in the Seattle area were already on alert.







A hundred days after a Chinese government website announced the discovery of a “pneumonia of unknown cause”, it has become clearer that the dynamics behind the virus’s rapid expansion across the globe has relied heavily on such “cluster effects”.