Twitter's new data fees leave scientists scrambling for funding – or cutting research

Twitter has long allowed anyone to access its data about who tweeted what and when. This has been a boon to research, from public health to criminology. The new fees put that research at risk.

Jon-Patrick Allem, Assistant Professor of Research in Population and Public Health Sciences, University of Southern California • conversation
Feb. 8, 2023 • ~7 min

How much coronavirus testing is enough? States could learn from retailers as they ramp up

Testing everyone for COVID-19 isn't realistic in a country the size of the US, but there are ways to design testing systems that can catch most of the cases.

Siqian Shen, Associate Professor of Industrial and Operations Engineering, University of Michigan • conversation
April 21, 2020 • ~7 min

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