Archive: 02/10/2008

Topsoil's limited turnover: A crisis in time

Topsoil does not last forever. Records show that topsoil erosion, accelerated by human civilization and conventional agricultural practices, has outpaced long-term soil production. Earth's continents are losing prime agricultural ...

dateOct 02, 2008 in Earth Sciences
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Study tests impact of terror warnings on presidential race

Presidential candidates who play up the threat of terrorism to bolster votes may want to rethink their game plan. New research from the University of California, Berkeley, indicates the war on terror has less impact on presidential ...

dateOct 02, 2008 in Other
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