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The tales that rocks can tell

The ion microprobe at WHOI precisely measures very small amounts of isotopes in rocks and other samples, revealing hidden clues about how our planet works. The national facility, supported by the National Science Foundation, is housed in an 800 square-foot laboratory. (Illustration by Jayne Doucette)

Woods Hole Oceanographic Institution is the world's leading non-profit oceanographic research organization. Our mission is to explore and understand the ocean and to educate scientists, students, decision-makers, and the public.
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