ZDNET's key takeaways Lumia Health launches the Lumia 2 smart earrings. They track blood flow, exercise, sleep, and more. The smart earrings were developed by an ex-Bose engineer. Your jewelry box's ...

A visual magic effect where a playing card appears to pass straight through a sealed deck box. A clever illusion that looks like a camera trick but is done entirely by hand. Blood pressure medications ...

3. "Salt is amazing for a lot of different reasons. It's also kind of boring in food sometimes. Try looking for more exciting substitutes, like beef base, miso, soy sauce, fish sauce, yeast extract, ...