Science writer Henry Fountain says the deadly quake that shook Alaska in 1964 was so loud some thought it was the beginning of World War III. His new book is The Great Quake.
The BP disaster has raised questions about the oil industry's ability to manage the risks and challenges involved in drilling thousands of feet below the ocean floor. New York Times science reporter Henry Fountain explains how deep-water drilling is supposed to work — and what may have gone wrong on the Deepwater Horizon.