Sex at Dawn: The Prehistoric Origins of Modern Sexuality
Christopher Ryan, Ph.D. & Cacilda Jethá, M.D.
S@D Photos
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In Amsterdam

w/ Frans de Waal

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Sent in by a reader.

Mom

My mom reading our book on an Alaskan cruise.

Andy Dunn (Bonobos.com)

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With Dan Savage

Reading

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Finnish edition

Suddenly it was everywhere

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I get the Colbert

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Wine for sharing.

Portland - Sex at Dawn

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At the Baghdad Theater in Portland.

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With Reid Mihalko.

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With pals in Vancouver.

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Dr. Susan Block

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Hugo!

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S@D Chicago

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My cousin with her DIY S@D shirt.

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With the wonderful Sarah Hrdy.

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Powell's in Portland, OR.

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loving skeletons

Eager Readers

w/ Jesse Bering

w/ Susie Bright

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La contra to La Vanguardia in Spain.

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w/ Sarah Hrdy and Obama the llama.

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Anarchist review.

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Lovely tinotype.

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sparm copy

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Piraha 2

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Strawbridge and Clothier's Quarterly (Winter 1885-86) copy

Strawbridge and Clothier's Quarterly (Winter 1885-86) copy - Version 2

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