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New study finds earliest evidence yet of differential access to land

Hereditary inequality began over 7,000 years ago in the early Neolithic era, with new evidence showing that farmers buried with tools had access to better land than those buried without.

Other Sciences / Archaeology & Fossils

created May 28, 2012 | popularity 4.2 / 5 (6) | comments 0 | with audio podcast

Groundwater depletion in semiarid regions of Texas and California threatens US food security

The nation's food supply may be vulnerable to rapid groundwater depletion from irrigated agriculture, according to a new study by researchers at The University of Texas at Austin and elsewhere.

Space & Earth / Environment

created May 28, 2012 | popularity 4.9 / 5 (7) | comments 18 | with audio podcast