Stay or stray? Study delves into sexual behaviour

Scientists said Wednesday they had amassed the first evidence to back theories that people fall into two broad categories—promiscuity or faithfulness—when it comes to sex.

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.

Oh deer: monkey caught in flagrante delict-doe

Scientists on Tuesday revealed the "highly unusual" behaviour of a male monkey filmed trying to have sex with female deer in Japan—a rare case of inter-species nookie.

Sexual selection in the sea

Biologists have uncovered new insights into how the male sexual behaviour of the peculiar southern bottletail squid is primed to produce the greatest number of offspring.

Scientists complete Bonobo genome

In a project led by the Max Planck Institute for Evolutionary Anthropology in Leipzig, an international team of scientists has completed the sequencing and analysis of the genome of the last great ape, the bonobo. Bonobos, ...

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