More and more pro and college athletes are trying on the Q-Collar as they search for something, anything, that might keep their brains safe. But does it work?
In a so-called natural experiment, two school districts in Boston maintained masking after mandates had been lifted in others, enabling a unique comparison.
A climate reporter in Washington set out to test clothes designed for keeping cool. He found a few good (but pricey) options, along with some questionable claims.