Metasurfaces are ultrathin optical components engineered with arrays of nanoscale structures that can control light in ways ...

Why do some brains survive long after death when most other soft tissue decays? That's the question a research team led by ...

Why do some vaccines protect for a lifetime, while threats like tumors and viruses present such an ongoing challenge? The ...

There are many types of hair—long, short, straight, curly—and today's computer animators have a good handle on many of them.