Healthy shame is an emotion that teaches us about our limits. Like all emotions, shame moves us to get our basic needs met.

Zynga made social gaming and play a worldwide phenomenon, and we remain the industry leader.

Zoos are becoming facsimiles - or perhaps caricatures - of how animals once were in their natural habitat. If the right policies toward nature were pursued, we would need no zoos at all.

Zoom Air, one of Nike's most popular shoes, was introduced to the market in 1995, but was first given the name Tensile Air.

Zoologists may find jobs working for government agencies, non-profit organizations, universities, museums and zoos.