This DIY air purifier costs far less than a HEPA purifier, and studies say it works

The Corsi-Rosenthal Box is a DIY air purifier. Some are making theirs kid-friendly by adding unique design elements, while others are getting creative in how to transport them from office to class. (left: @roofeo24 on Twitter, right: James Andrew Smith) The Corsi-Rosenthal Box is a DIY air purifier. Some are making theirs kid-friendly by adding unique design elements, while others are getting creative in how to transport them from office to class. (left: @roofeo24 on Twitter, right: James Andrew Smith)

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Impeachment talk at Trump Org. trial: Did witness misspeak?

There was talk of impeachment Monday at the Trump Organization's criminal tax fraud trial -- not former President Donald Trump's, which happened twice -- but whether lawyers for his company were angling to impeach their own witness, longtime Trump accountant Donald Bender.

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