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.
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Seal conservation strategies
Chemical records in teeth confirm elusive Alaska lake seals are one of a kind.
Read MoreFlying across America for POWs and for science
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A geology professor explores the way water weaves through America—and into Americans’ very bones.
Read MoreTEACHING SKILLS, LAUNCHING CAREERS
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Students in long-running summer short course make friends, find mentors and learn some isotope science along the way.
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