Whooping cranes learn how to migrate by following elders in their midst, suggesting that social influence has a larger bearing than genetics on the birds' behavior, scientists said Thursday.
(Reuters) - Halliburton Co , the world's second-largest oilfield services company, on Monday reported a decline in quarterly profit but said it had more headway outside its home U.S. market, which has been turned upside down by a natural gas glut.
