Jeffrey Siegel

Professor of Civil Engineering at the University of Toronto

Jeffrey Siegel on KCRW

Air purifiers and filters are a hot commodity these days. A lot of the top-recommended models are sold out pretty much everywhere.

How to make indoor air safer from wildfire smoke and coronavirus

Air purifiers and filters are a hot commodity these days. A lot of the top-recommended models are sold out pretty much everywhere.

from Press Play with Madeleine Brand

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Older adults and essential workers are currently flooding COVID-19 vaccination sites.

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The federal government decided this morning to pause Johnson & Johnson’s COVID-19 vaccine.

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For thousands of Californians, the notion of “presumed innocent” has been turned on its head. They’ve waited years in jail without being tried or sentenced.

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President Biden unveiled his $2 trillion infrastructure plan on Wednesday in Pittsburgh, which Congress would have to approve.

from Press Play with Madeleine Brand