We don't know for sure it's hers, but researchers have found traces of a perfume that was likely popular during Cleopatra's time - and they think they may be able to brew some of it up.
Today in 1953, Jacqueline Cochran became the first woman to break the sound barrier. Then again, Cochran moved at high speed her whole career. Plus: today in 1838, the birthday of Alexander Miles, a Black inventor who made elevators what they are today.
A company called Envision has designed a set of glasses that uses artificial intelligence to help blind people with a wide range of activities. They can decode text, detect color and describe outdoor scenes to the wearer, among many other functions.
For Earth Day we talk about an idea by designer, artist and architect Henry Glogau. He's designed a skylight that can turn seawater into clean drinking water, and then power LEDs with solar energy and the leftover salt brine.
Today in 1948, two meteorologists helped make things safer for those living in the path of severe storms, when they issued the first successful tornado warning.
There really is a robot now called the Pipe-Worm. It's built to unclog pipes, and it does it by mimicking earthworms.
Maine became a state today in 1820. One of its best-known inventors was Chester Greenwood, who came up with a way to keep his, and many other people's, ears warm.
A team at MIT has come up with a new substance that do-it-yourselfers will love: a surgical "duct tape" that can help seal up wounds and tears in the body's gastrointestinal system.
For National Pizza Day, here's the story of one of the hottest types of pizza in the country: Detroit-style, first made in a special pan that wasn't meant to be a pan at all.
A team at the University of British Columbia has come up with a way to make durable, stretchy and waterproof batteries that could be useful in wearable devices. Plus: three crew members on the International Space Station try out what they call orbital badminton.
