DES MOINES, Iowa — Cattle are being bred with genes from their African cousins who are accustomed to hot weather. New corn varieties are emerging with larger roots for gathering water in a drought. Someday, the plants may even be able to "resurrect" themselves after a long dry spell, recovering quickly when rain returns.
American farmers seeking hardier breeds for drought, climate change
Wednesday, August 8, 2012 | 8:53 p.m. CDT
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