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Doubt about prehistoric 'killer walrus'
Paleontologists say examination of a new fossil found in Southern California has thrown doubt on earlier claims of a prehistoric "killer walrus." ... more
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Temperature hits all-time record in Sydney
Temperatures in Sydney on Friday hit their highest levels since records began 150 years ago, after an Australian government agency warned of more frequent and intense heatwaves in the future. ... more
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Flu shots pose no extra risk of pregnancy loss
Pregnant women in Norway who got vaccinated against the swine flu virus that caused the 2009-2010 pandemic showed no increased risk of pregnancy loss, contrary to popular belief, says a study released Thursday. ... more
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Factory smoke clouds China pollution pledges
Clouds of smoke billow from the chimneys at a Chinese chemical plant rumbling with activity, more than a year after authorities closed it following protests by thousands of people. ... more
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