Diet, exercise, sleep — all are fundamental to our health, but our relationship to light doesn't get mentioned as much. Now, a massive new study suggests light-driven disruption can take years off our ...

As signs of incipient mortality proliferate, one of my happiest discoveries is that there are things that had occupied a surfeit of my mental energies—worries, desires, goals—that are showing ...

In this show: How we got from candles made out of cow fat to as much light as we want. The history of light is the history of economic growth —... Episode 534: The History Of Light Note: This episode ...