With CDC upheaval, new limits on who can get some vaccines and an ongoing measles outbreak, parents like me face unfamiliar hurdles to protecting our kids.

A plastic structure separates white noise into pitches, like a rainbow splits light into colors, offering a novel way to manipulate sound.

From jury duty to tax audits, randomness plays a big role. Scientists used quantum physics to build a system that ensures those number draws can’t be gamed.