Columbia University

Tree rings open door on 1100 years of El Nino

(PhysOrg.com) -- El Nino and La Nina, the periodic shifts in Pacific Ocean temperatures, affect weather around the globe, and many scientists have speculated that a warming planet will make those fluctuations more volatile, ...

dateMay 27, 2011 in Earth Sciences
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New techniques produce cleanest graphene yet

Columbia Engineering researchers have experimentally demonstrated for the first time that it is possible to electrically contact an atomically thin two-dimensional (2D) material only along its one-dimensional (1D) edge, rather ...

dateOct 31, 2013 in Nanomaterials
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New Google ocean maps dive down deep

(PhysOrg.com) -- Starting today, armchair explorers will be able to view parts of the deep ocean floors in far greater detail than ever before, thanks to a new synthesis of seafloor topography released through Google Earth. ...

dateJun 09, 2011 in Earth Sciences
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