For humans, division of labor has become a necessity: No person in the world has all the knowledge and skills to perform all the tasks that are required to keep our highly technological societies ...

Researchers at Northwestern University and the University of Bern in Switzerland have conducted the first cross-temporal, ...

Early in my life as a mother, I became friendly with another woman whose children were about the same age. We would meet for lunch occasionally with our 3- and 1-year-olds at a local child-friendly ...

Economists and philosophers are trying to rethink our social models. Collaborative models are being imagined as a way of hoping to live in a better society. At the heart of this question is the ...

A large percentage of relationships are ones in which both partners work. Two incomes are useful for supporting a family, or may enable you to have extra funds to spend on pleasurable activities or to ...