This experiment documents my attempt to recreate the world’s rarest blue paint directly from rocks, inspired by ancient pigment-making methods. From sourcing the stones to grinding and refining them ...

Your phone comes with strong built-in spam protection—you just need to turn it on. Here's how to do it on both iPhone and Android. I review privacy tools like ...

Your PC’s storage media is subject to malware and, on occasion, natural disasters such as lightning, fire, etc. — which is why formulating a backup strategy is critical for keeping your data safe. Our ...

We test and rate the top online tax services to help you find the best one for filing quickly and accurately—and for getting the largest possible refund. I write about money. I’ve been reviewing tax ...

There are plenty of technological ways to cut down on spam calls, but this is the one that works best. Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how-to ...