Millions of years ago, our ancestors lost the ability to make vitamin C. It’s long been unclear why. But Dallas researchers may have uncovered an explanation — and it involves parasitic infections.At ...

Over the decades, Femina Miss India has evolved alongside the changing aspirations of Indian women. What began as a ...

Compare barter and currency systems. Discover why currency dominates modern trade and explore the evolution of digital ...

If you've ever felt choked up at the end of a happy film, or found yourself tearing up at a wedding, scientists say you might ...