How the Earth Works

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Michelle Thaller

Self - Astronomer, NASA

Dan Durda

Self - Planetary Scientist

Robert Wright

Self - Volcanologist

Liz Bonnin

Self - Presenter

Martin Pepper

Self - Presenter

Cathy Plesko

Self - Planetary Scientist, Los Alamos National Laboratory

Dougal Jerram

Self - Volcanologist

Joseph Kirschvink

Self - Geologist

Pier Paolo Petrone

Self - Anthropologist

Karl E. Karlstrom

Self - Geology Professor

Alan Lester

Self - Geologist

Giuseppe De Natale

Self - Volcanologist

Heather Handley

Self - Volcanologist

Peter H. Schultz

Self - Planetary Geologist

Hazel Barton

Self - Microbiologist

Matt Patrick

Self - Volcanologist

Garry Momber

Self - Marine archaeologist

Mark Greaves

Self - Operator, Hidee Gold Mine

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