Banning lead in gas worked. The proof is in our hair
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Researchers analyzed samples of Utahns’ hair going back a century to document a 100-fold decrease in lead concentrations.
Read MoreResearchers analyzed samples of Utahns’ hair going back a century to document a 100-fold decrease in lead concentrations.
Read MoreInstrument will help scientists unravel Earth’s ancient geological mysteries, past climates and humans’ ongoing interactions with the environment.
Read MoreThe simple actions of pulling my hair back and putting on my lab coat made me feel like a professional scientist, a feeling I have been obsessed with ever since.
Read MoreChemical records in teeth confirm elusive Alaska lake seals are one of a kind.
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