Daniel Stone

Daniel Stone is a writer on science, history, and the environment. He's a former staff writer for National Geographic and a former White House correspondent for Newsweek. He lives in Santa Barbara with his wife and two sons, one of whom is a dog.

The crusading physician pictured circa 1915, just a few years after she began her game-changing research among industrial workers. 

How Alice Hamilton Waged a One-Woman Campaign to Get the Lead Out of Everything

At first a crusader for workplace safety, the trained physician railed against the use of the toxic and ubiquitous material

The Titanic sank around 2:20 a.m. on April 15, 1912, after hitting an iceberg in the Atlantic Ocean.

The Incredible Story of the Iceberg That Sank the Titanic

The three-year-old chunk of ice had just weeks to live when it hit the cruise ship

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