Fire ants, jealous dogs, coral clocks...

18 December 2008
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How coral suggests a major earthquake is due in the next decade; the impact humans have on fire ant invasions; why extinct bird species are not what we thought they were and how studying the 'morals' of dogs gives an insight into the evolution of co-operation. Plus, in 'Stuff and Non-Science', does searing meat really seal in the juice?

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