By Helen Thompson

Smithsonian Magazine

September 9, 2014

An art exhibition at the National Academy of Sciences offers perspective on our geological past and future

Earth is roughly 4.5 billion years old—a number that is hard for humans to grasp. “For someone whose life expectancy is usually less than 100 years, it’s nearly impossible to imagine something so vast as geological or deep time,” says J.D. Talasek, director of cultural programs at the National Academy of Sciences in Washington, D.C.

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