The U.S. has been a country for almost 250 years. During that time, it's gone from 13 states to 50 with territories to spare. So how did all the states get their names? It turns out some of them have a pretty interesting story.

Every day we share the tech news that impacts your life — and what you can do about it.

We all experience the passing of time. One minute after another. But if that’s the case, when is now? If now is an exact moment, do we ever truly experience now, or does now not really exist? This may sound confusing, but the science behind the moment of now is fascinating.

You may have noticed that the USB charging cables we know and love, and were meant to unify different devices, have been changing. These basic plugs seem to be everywhere, but why can’t engineers agree on a standard? Well, the true history of this technology will surprise you.

Mount Everest has long been known as the highest point on Earth. At over 29,000 feet, it towers above the sea. Many climbers have reached the summit over the years, but many of them climbed to different heights. This is due to multiple factors, but they may not be the reasons you are thinking of.

We all know how dirty and germ-ridden our phones are, but what about the air around you? Pure-Light’s LED lightbulbs do a lot more than light up your space. They clean the air of mold, pollen, smog, bacteria, viruses and even the almost impossible-to-kill MRSA. Pure-Light is used in schools, government buildings, assisted-living facilities and doctors’ offices around the country, and now it’s available for your home.