20 years ago Pepperberg set out to discover whether results of pigeon studies necessarily meant that other birds were incapable of mastering cognitive concepts

'A moving tribute that beautifully evokes the struggles, the initial triumphs, the setbacks, the unexpected and often stunning achievemnets . . . [while] uncove

Should companies be run for profit or purpose? This book shows how they can deliver both-based on rigorous evidence and an actionable framework. This edition, u

In 1977, graduate student Irene Pepperberg walked into a pet store and bought a year-old African grey parrot. Because she was going to study him, she decided to

Winner, 2020 JDC-Herbert Katzki Award for Writing Based on Archival Material, given by the Jewish Book Council The astonishing story of the efforts of scholars