How to Double Mask | WIRED

This week, the US Centers for Disease Control and Prevention released findings that double-masking—wearing one face mask on top of the other—can be an effective way to reduce the transmission of the coronavirus that causes Covid-19. It’s a practice experts have been...

Pet Prosthetics Get a Boost From 3D Printing

Consider the three-legged dog. Maybe you own one, or have seen them in the park or in any of the billions of Dodo videos about them. Lopsided yet resilient, they evoke a kind of fawning sympathy from us humans that’s unmatched by the typical quadruped canine.“People...