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Flight attendants decry new Homeland Security policy
A policy change by the U.S. Department of Homeland Security allowing short-bladed knives on airline flights is being protested by flight attendants. ... more
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Troop loyalty a challenge for Venezuela's Maduro
Venezuelan troops will parade past Nicolas Maduro after he is sworn into office Friday, but keeping their loyalty will be tricky for a leader lacking the charisma and savvy of his predecessor. ... more
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A key to mass extinctions could boost food, biofuel production
Hydrogen sulfide, the pungent stuff often referred to as sewer gas, is a deadly substance implicated in several mass extinctions, including one at the end of the Permian period 251 million years ago ... more
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Luxury car makers seek success in China
Construction tycoon Niu Yeqing owns four cars in which he cruises the streets of the Chinese city of Hefei, including a black Mercedes-Benz S600. His wife favours a burgundy red Porsche. ... more
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