- Nature
- By Tudor Vieru
- January 27th, 2010
Chimpanzees Adopt Orphans
This proves they are capable of altruism
- History
- By Tudor Vieru
- June 5th, 2009
Altruism May Have Developed in Ancient Times
Experts believe that it appeared on battlefields
This proves they are capable of altruism
Experts believe that it appeared on battlefields