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Stories by Frans B. M. de Waal

Bonobos Use Sex to Cool Tempers

Bonobos Use Sex to Cool Tempers

Inclined toward gender equality, this close relative of humans substitutes sex for aggression

March 30, 2016 — Frans B. M. de Waal

Frans de Waal on the human primate: Fair is fair

Editor's Note: This post is the first in a four-part series of essays for Scientific America n by primatologist Frans de Waal on human nature, based on his ongoing research.

July 20, 2010 — Frans B. M. de Waal

Do Animals Feel Empathy?

We call a callous turncoat a "rat." Rats and mice, however, are giving scientists clues to the evolutionary origins of empathy

December 1, 2007 — Frans B. M. de Waal
How Animals Do Business

How Animals Do Business

Humans and Other Animals Share a Heritage of Economic Tendencies--Including Cooperation, Repayment of Favors and Resentment at Being Shortchanged

June 1, 2005 — Frans B. M. de Waal

How Animals Do Business

Humans and other animals share a heritage of economic tendencies--including cooperation, repayment of favors and resentment at being shortchanged

April 1, 2005 — Frans B. M. de Waal

The End of Nature versus Nurture

Is human behavior determined by genetics or by environment? It may be time to abandon the dichotomy

December 1, 1999 — Frans B. M. de Waal

Bonobo Sex and Society

The behavior of a close relative challenges assumptions about male supremacy in human evolution

March 1, 1995 — Frans B. M. de Waal