Actions
Incoming Resources
- Kanzi, the ape at the brink of the human mind, Sue Savage-Rumbaugh, Roger Lewin
- Origins, what new discoveries reveal about the emergence of our species and its possible future, Richard E. Leakey and Roger Lewin
- Der Ursprung des Menschen, Auf der Suche nach den Spuren des Humanen, Richard Leakey, Roger Lewin ; Aus dem Americkanischen von Sebastian Vogel
- The sixth extinction, patterns of life and the future of humankind, Richard Leakey and Roger Lewin