lunes, 9 de noviembre de 2009

Seafloor Fossils Provide Clues To Climate Change

ScienceDaily (2009-11-08) -- Deep under the sea, a fossil the size of a sand grain is nestled among a billion of its closest dead relatives. Known as foraminifera, these complex little shells of calcium carbonate can tell you the sea level, temperature, and ocean conditions of Earth millions of years ago. That is, if you know what to look for.
Atentamente
Cuitlahuac

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