'Self-defense keychains' are rising in popularity. But are they legal in Delaware?
They're popular on TikTok and come in any color or pattern you can imagine − pink, cheetah print, blue and green with rhinestone embellishments. They're also intended to keep you safe. These so-called "self-defense" or "safety" keychains have been making the rounds for several years now, though appear to have more recently gained...
'Radically simple' nasal spray could block flu and Covid, study shows
A no-frills nasal spray could potentially provide effective protection against "deadly respiratory infections" and Covid-19, tests on mice suggest. In findings published in the journal Advanced Materials, a team of Massachusetts-based medics and scientists said their "radically simple" Pathogen Capture and Neutralizing Spray (PCANS), could be a "promising daily-use prophylactic against respiratory infections." "PCANS has the potential to provide an additional layer of protection against respiratory infections when traditional measures like masks and vaccines fall short," said corresponding author Nitin Joshi of Brigham and Women’s Hospital and Harvard Medical School. "With its broad-spectrum activity, it could offer defense against emerging variants of the...