RESEARCH POSTER PRESENTATION DESIGN © 2012
www.PosterPresentations.com
University of Washington, Seattle
WILLIAM H. CALVIN
Frontier Dynamics in Hominid EvolutionLook around for
this guy or try+1.206.972.0030
Rep
rin
ted
on
Kin
dle
The Climate Pump with a Ratchet
What happened
when major climate
fluctuations began?
The Basic Climate Pump