New versions of Apple's ubiquitous tracking pucks are set to hit stores this week. Here's what Apple changed and all you need to know about how they work. Jeff Carlson Senior Writer Jeff Carlson ...

Winter air isn't just cold: it's dry, too. Dry air inside is well-known to cause itchy skin and dry throats, but it can also increase the amount of germs and viruses in your home. The best humidifiers ...