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Coral bleaching causing ‘unnecessary’ fish fights

Fish that have lost food due to mass coral bleaching are getting into more unnecessary fights, causing them to expend precious energy and potentially threatening their survival, new research said on Jan 3.

With the future of the world's coral reefs threatened by climate change, a team of researchers studied how a mass bleaching event affected 38 species of butterflyfish.

Ancient skeleton reveals oldest amputation

A skeleton discovered in a remote corner of Borneo rewrites the history of ancient medicine and proves amputation surgery was successfully carried out about 31,000 years ago, scientists said on Sept. 7.

Previously, the earliest known amputation involved a 7,000-year-old skeleton found in France, and experts believed such operations only emerged in settled agricultural societies.

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