Your hair knows what you eat and how much your haircut costs
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Isotopes in hair reveal connection between diet and socioeconomic status.
Read MoreIsotopes in hair reveal connection between diet and socioeconomic status.
Read MoreChemical records in teeth confirm elusive Alaska lake seals are one of a kind.
Read MoreA geology professor explores the way water weaves through America—and into Americans’ very bones.
Read MoreStudents in long-running summer short course make friends, find mentors and learn some isotope science along the way.
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