Why some straight men have sex with other men

Sexual identities and sexual behaviors don't always match because sexuality is multidimensional. Many people recognize sexual fluidity, and some even identify as "mostly straight."

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, ...

Fishing selects small, shy fish for survival

Fishing primarily removes larger and more active fish from populations. It thus acts as a selection factor that favors shy fish, as a recent study by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) ...

Females choose mates for their personalities, study shows

Adventurous females choose mates with similar personalities, regardless of the male's appearance and other assets, according to research led by the University of Exeter. This is the first study to show that the non-sexual ...

Bird's head color determines its personality

UK researchers have shown that highly sociable Australian birds, called Gouldian finches, have different personalities according to the colour of their heads.

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