That gives the test utility in monitoring drinking water for two of the most toxic “forever chemicals,” perfluorooctanoic ...

As problems with household water become more detectable and prevalent, many are moving beyond just handheld filters for drinking water.

The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a year thanks to a patent spat, but it's back in action now. Apple has your ...