Geological time, generally considered as a system of eras, periods and epochs materialized in rock strata, might actually follow a simple and unifying model. Indeed, a new study led by physicist Shaun ...

NHMAIN copy has bookplate: Smithsonian Institution Libraries, Gift of Alan R. Kabat. "The Anthropocene, a term launched into public debate by Nobel Prize winner Paul Crutzen, has been used informally ...