Amazon fish has super-shield against piranhas

An "armoured" fish living in the Amazon has evolved a remarkable multi-layer defence against the voracious piranha, materials scientists reported Tuesday.

The devil is in the detail

Researchers have looked at a species of fish to help unravel one of the biggest mysteries in evolutionary biology.

Greenhouse gas 'feedback loop' discovered in freshwater lakes

A new study of chemical reactions that occur when organic matter decomposes in freshwater lakes has revealed that the debris from trees suppresses production of methane—while debris from plants found in reed beds actually ...

Towards the ultimate model of water

Researchers from the National Physical Laboratory (NPL), IBM and the University of Edinburgh have developed the first conceptually simple but broadly applicable model for water.

New species of turtle found in Papua New Guinea

A new species of freshwater turtle has been discovered in Papua New Guinea, one of a group that would have been present for the full geological formation of its main Pacific island, researchers said.

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