'A gift from the city to itself'

Coastal cities are among the fastest growing population centres on the planet and half of the global population now lives within 100km of the coast.

Sibling rivalries lead to friendly finches

A new study has revealed that growing up with lots of siblings – and fighting over food – makes zebra finches more sociable in later life. In contrast, finches with fewer siblings become pickier about who they hang out ...

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