It involves replacing breathable air with pure nitrogen gas through a respirator mask, causing death by lack of oxygen. For decades, lethal injection was the preferred way to execute death row ...

As a huge wildfire continues to burn in central New Jersey on April 24, smoke from the blaze is expected to reach residents in New York City some 60 miles away, prompting an air quality alert.

Importantly, the study focused on one specific, consensus-designed cloth mask—the Essex mask—which ... KF94s), and respirators, including 3M N95 Aura 1870+ and Vitacore CaN99, were compared ...