July 8, 2013 U.S. and EU officials begin talks Monday on a free-trade deal that could create thousands of jobs and billions of dollars in new trade. But there are deep-seated differences that may make it difficult to reach an accord. Among the most contentious: agriculture and whether genetically modified crops grown in the U.S. will be accepted in Europe.
July 8, 2013 There are tests for heart attacks and diabetes, but few for brain disorders. Researchers are trying to change that, but are finding the hunt for biomarkers for mental illness to be a tough slog. Tests on the market, like ones for Alzheimer's, are not conclusive.
July 8, 2013 Archaeologists had considered Iran unimportant in the history of farming – until now. Ancient seeds and farming tools uncovered in Iran reveal Stone Age people there were growing lentils, barley and other crops. The findings offer a snapshot of a time when humans first started experimenting with farming.