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Sharks are colour-blind, new study finds
Sharks see in shades of grey or green, which may help scientists understand how they detect prey.
Sharks see in shades of grey or green, which may help scientists understand how they detect prey.
A creative way of representing a mathematical principal has led to the creation of some crafty corals.
The dainty anemonefish of Lord Howe Island is becoming an early-warning system for rising temperatures.