Field studies confirm social network shrinking for aging monkeys

As people get older, they increasingly focus on their more important relationships, often turning to family and close friends. This active reorientation towards a few, particularly close relationships could explain why aging ...

The surprising key to magpie intelligence: It's not genetic

If you've ever had the pleasure of encountering Australia's iconic magpies, you know these birds are intelligent creatures. With their striking black and white plumage, loud warbling voices and complex social behaviors, magpies ...

Repeated sexual failures cause social stress in fruit flies

Repeated failures to reproduce make fruit flies stressed and frustrated, which in turn makes them less resilient to other types of stress, Julia Ryvkin at Bar-Ilan University and colleagues report in PLOS Genetics.

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