Researchers discover new sex hormone

When University of Ottawa biologists Kim Mitchell and Vance Trudeau began studying the effects of gene mutations in zebrafish, they uncovered new functions that regulate how males and females interact while mating. We sat ...

Let's talk about gay penguins: Munich zoo joins Pride week

Organisers of this year's Gay Pride week in Munich have a group of rather wild partners—penguins, giraffes and lions at the city zoo where tours are being run about same-sex love in the animal kingdom.

Male fish can thank genes for colourful looks

Striking traits seen only in males of some species – such as colourful peacock feathers or butterfly wings – are partly explained by gene behaviour, research suggests.

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