The gallbladder is a small organ that plays a vital role in digesting the foods you eat. You may need to follow a gallbladder diet if you have gallstones or if your gallbladder is inflamed or infected ...

But after a couple of years of work, xMEMS has arrived at the next generation — ultrasound through a solid-state speaker. This tiny, 1mm-thin speaker is called Cypress, and after listening to it ...