A native New Yorker, Maslow valued his early experiences in city life. Urban historian Lewis Mumford was a key influence on ...

For decades, scientists have tried to answer a simple question: why be honest when deception is possible? Whether it is a peacock's tail, a stag's roar, or a human's résumé, signals are means to ...

Personal Perspective: "Normal" isn’t perfection but a statistical range based on population data. Diagnoses compare ...

They sometimes touched their lips together, breathed into one another’s open mouths, or stood on two legs and hugged. Goodbyes, on the other hand, were long understood as a behavior that only humans ...