The best external hard drives: Expand your file storage

As our lives get more digital, we need more room for storage. Here are some great external hard drives that’ll do the trick. (Dylan Gillis via Unsplash/) No matter your specific reason for seeking out an external hard drive—security, portability, storage capacity—you have more options than you may realize. Unless you have the highest-end computer, […]

A saliva-based smartphone platform could rapidly expand COVID-19 testing

Offering an ultrasensitive yet accessible approach to COVID-19 testing, a portable saliva-based smartphone platform provides results within 15 minutes without the resource-intensive laboratory tests the current gold standard requires, according to a new study. The approach was tested in 12 people infected with COVID-19 and 6 healthy controls. Bo Ning and colleagues demonstrate that this […]