Human-Nature

Our relationship with the natural world.
Peter H. Kahn, Jr. is Associate Professor of Psychology at the University of Washington and the author of The Human Relationship with Nature. See full bio

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Child Development Basics

Child Development

The speedy physical and psychological changes that children undergo from birth through adolescence often leave parents wondering how best to care for them at each stage. From how to talk so kids will listen to when to back off and allow them to fail, PT's experts weigh in.

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Oh, Brother!

Siblings are born to compete for parental attention.