In the 30 years since the disaster at Chernobyl, wildlife in the highly radioactive 'Exclusion Zone' has thrived. Mike Wood and Nick Beresford report from a nature reserve like no other
Tim Birkhead and Nicola Hemmings explain how fertilisation, in some animals, requires more than one sperm
Rodrigo Rodrigues and Jônatas Abrahão look at so-called giant viruses – and how their unique features have forced us to reconsider whether viruses are living organisms or not
Rebecca Nesbit looks at making the transition from postgrad to postdoc
The flavivirus sweeping across Latin America and now associated with microcephaly in babies
Pheromones play a key role in many areas of animal behaviour. But how did they evolve? Tristram Wyatt explains how smells became signals
Caroline Wood explains how biological structures have inspired some of the world's most innovative buildings
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