Image shows a variety of cuckoo finches each adapted to mimic a different host species or colour morph

Biological arms races in birds

13 April 2011

New research reveals how biological arms races between cuckoos and host birds can escalate into a competition between the host evolving new, unique egg patterns (or ‘signatures’) and the parasite new forgeries.

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fishbone

Cod history

01 May 2008

The humble cod may be about to have its biggest impact on history since sparking “war” with Iceland in 1972.

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