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Evidence suggests bird migration patterns are learned, not genetic

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. The large, white birds are endangered in the wild of North America, with just one native population of about 250 in…

Halliburton profit down, sees more growth outside North America

(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. Its second-quarter profit fell to $679 million, or 73…