Japan's famously high-tech toilets are getting a new upgrade: sound-masking devices designed to cover up the less melodic realities of public restrooms. These gadgets, often called Otohime, or "Sound ...

In public places across Japan, older floor-level toilets still appear with some regularity. They sit low to the ground, set ...

Devices that conceal unwanted noises are the next frontier in advanced toilet technology. Would you like some peaceful birdsong, or perhaps a burst of artillery fire? Donna Burke, who moved to Japan ...