Sediment yields climate record for past half-million years

Researchers here have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years.

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<p><a href="http://www.physorg.com/news164303941.html">Sediment yields climate record for past half-million years</a></p> <p>Researchers here have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years.</p>