Arc, a key protein in memory formation, looks and behaves like a retrovirus, moving RNA between cells in a virus-like capsid
Tom Ireland speaks to biohacker Andrew Pelling about his unconventional Canadian laboratory, where researchers and artists ask unusual questions about what can be done with living tissues
In the unusual world of seahorse sex, it's the males that get pregnant. Francisco Otero-Ferrer and William V Holt explain how this is of use in reproductive and developmental studies
Photographers and naturalists Julie Hatcher and Steve Trewhella explain the basics of beachcombing, and how it contributes to conservation and research
Catherine Duigan explores the life and times of Dr Kathleen Carpenter, a pioneering scientist known as 'the mother of freshwater ecology'
Adam Hart looks at the ethics of killing insects for science.
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