TY  - BOOK
AU  - Ryan,Christopher
AU  - Jethá,Cacilda
TI  - Sex at dawn: how we mate, why we stray, and what it means for modern relationships 
SN  - 9780061707810
AV  - HQ12 .R93 2011
U1  - 306.7 23
PY  - 2011///
CY  - New York
PB  - Harper Perennial
KW  - Sex
KW  - History
KW  - Sex customs
KW  - Marriage
KW  - Monogamous relationships
KW  - Psychological aspects
KW  - Adultery
KW  - Primates
KW  - Sexual behavior
KW  - Sexual behavior in animals
KW  - Social evolution
KW  - Human evolution
KW  - sears
KW  - Social change
KW  - Evolution
N1  - Originally published in hardcover in 2010, with subtitle The prehistoric origins of modern sexuality; Includes bibliographical references (p. 317-382) and index; Adult; Follett Library Resources; Adult
N2  - Draws on scientific studies and historical research to explore the true origins and nature of human sexuality, arguing that humans evolved into egalitarian groups that shared everything, including sexual partners, and that current customs of monogamy and marriage go against basic human nature
ER  -