The Keurig K-Mini is one of the smallest, most scaled-down models you can get, but it still delivers the perfect hot cup of ...

The $99 Ecoldbrew thermos lid grinds coffee beans, pulls water from your mug, and brews cold coffee in just five minutes.

After testing seven different popcorn makers, I found the best one for each type, whether you want a stovetop model or an air popper.

The whole device screws onto a thermos like an ordinary lid. When unscrewed, you can see a straw-like contraption at the ...