Science

Follow PBS NewsHour’s complete coverage of Science and Technology stories.

People can’t get enough information about artificial sweeteners. Do they help you diet? Do they make you fat? Are they healthier than sugar? Are they healthy? Six artificial sweeteners have passed toxicology tests and been deemed safe by the Food…

It’s a T-shirt kind of day in Washington, DC: 85 degrees with 63 percent humidity. We all know those numbers mean hot, but what exactly does that humidity percentage tell us? And why should we care? Below, some facts on…