Add Yahoo as a preferred source to see more of our stories on Google. You may have never even really noticed those big white circles on the London Underground, let alone knowing it's where important ...

AUSTIN, Texas--(BUSINESS WIRE)--Zello, the most popular push-to-talk voice messaging service that enables communication and collaboration for workers, teams, and communities, today announces the ...

As we age, our bodies change. Moving around becomes harder, and getting help fast in an emergency becomes more difficult. Imagine falling when no one is home or having chest pain late at night. These ...

I’ve fallen and I can’t get up. We all remember it, and we all know what product we’re talking about. Now, with cheap microcontrollers, ubiquitous WiFi, and wearable electronics, there must be a ...