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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Global 4-day week pilot was a huge success, organizers say

The verdict is in: A four-day work week is good for business. After six months, most of the 33 companies and 903 workers trialling the schedule, with no reduction in pay, are unlikely ever to go back to a standard working week, according to the organizers of the global pilot program.

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