Fish study links brain size to parental duties

Male stickleback fish that protect their young have bigger brains than counterparts that don't care for offspring, finds a new University of British Columbia study.

Social behavior can make predators even pickier

Your greedy cat may turn up his nose at different food, but wild animals can be conservative when it comes to food choices too. And new research suggests that, in a group, even adventurous individuals can end up acting like ...

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