This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. An estimated 50 million people live with the ...

Scientists at M.I.T's Media lab have created a camera that can capture the speed of light, taking a photo in less than two-trillionths of a second. Using multiple cameras, sensors, a pulse light ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

Our experts explain the science behind red light therapy, and if it really works. Plus, we recommend some FDA-cleared red ...