Primates
Rethinking Primate Aggression
Researcher Frans de Waal shows that apes (and humans) get along better than we thought
August 2003 |
By Richard Conniff
When one of the National Zoo's gorillas goes in for tests, it's not just standard operating-room procedure
By discovering heart disease early, echocardiograms have improved life for many a human; now Washington cardiologists are using them to help great apes at the National Zoo
January 1997 |
By Michael Kernan


