Descending to the Challenger Deep

Director James Cameron reveals the science of his deep-sea exploration

By Alexandra Witze, 17:54 PM December 11, 2012

SAN FRANCISCO — It’s not every day that scientists get to hobnob with a Hollywood director — especially one famous for bossing around Arnold Schwarzenegger, Leonardo DiCaprio and Zoe Saldana.

But on December 4, Titanic director James Cameron traded movie stars for Teva-sandaled geophysicists. In a packed lunchtime talk at a meeting of the American Geophysical Union, he showed off clips from his recent deep-sea exploration, particularly a record-breaking March 24 dive to the bottom of the Ma...

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