Shifts in the diets of Europeans after the introduction of farming 10,000 years ago led to genetic adaptations that favored the dietary trends of the time, new research indicates. The study has implications for the growing field of nutritional genomics, called nutrigenomics. Based on one's ancestry, clinicians may one day tailor each person's diet to her or his genome to improve health and prevent disease.
"They are not sure of American leadership, whether it be in Siberia or whether it be in Antarctica," the top Senate Republican said, according to new report
The Pentagon is investigating the apparent murder of three U.S. soldiers who have yet to be identified in eastern Afghanistan. The Afghan army said one of its soldiers turned his gun on the Americans before being shot dead. Tony Dokoupil reports.