It’s been nearly three years since Withings first showed off U-Scan to a bemused world, and now it’s finally on sale. U-Scan is the company’s at-home urinalysis gizmo which sits in your toilet bowl and tests your first splash of the day. The device runs a tiny sample through a microfluidic to test, depending on what cartridge you use, either your nutritional or kidney health. These results a [...]