An Invitation to Impropriety xi
Part I Darwinizing What Dangles
How Are They Hanging? This Is Why They Are
3(8)
So Close, and Yet So Far Away: The Contorted History of Autofellatio
11(6)
Why Is the Penis Shaped Like That? The Extended Cut
17(11)
Not So Fast... What's So "Premature" About Premature Ejaculation?
28(6)
An Ode to the Many Evolved Virtues of Human Semen
34(11)
Part II Bountiful Bodies
The Hair Down There: What Human Pubic Hair Has in Common with Gorilla Fur
45(6)
Bite Me: The Natural History of Cannibalism
51(8)
The Human Skin Condition: Acne and the Hairless Ape
59(8)
Part III Minds in the Gutter
Naughty by Nature: When Brain Damage Makes People Very, Very Randy
67(7)
How the Brain Got Its Buttocks: Medieval Mischief in Neuroanatomy
74(4)
Lascivious Zombies: Sex, Sleepwalking, Nocturnal Genitals---and You
78(7)
Humans Are Special and Unique: We Masturbate. A Lot
85(16)
Part IV Strange Bedfellows
Pedophiles, Hebephiles, and Ephebophiles, Oh My: Erotic Age Orientation
101(10)
Animal Lovers: Zoophiles Make Scientists Rethink Human Sexuality
111(10)
Asexuals Among Us
121(6)
Foot Play: Podophilia for Prudes
127(9)
A Rubber Lover's Tale
136(9)
Part V Ladies' Night
Female Ejaculation: A Scientific Road Less Traveled
145(6)
Studying the Elusive "Fag Hag": Women Who Like Men Who Like Men
151(5)
Darwin's Mystery Theater Presents... The Case of the Female Orgasm
156(6)
The Bitch Evolved: Why Are Girls So Cruel to Each Other?
162(9)
Part VI The Gayer Science: There's Something Queer Here
Never Ask a Gay Man for Directions
171(4)
"Single, Angry, Straight Male... Seeks Same": Homophobia as Repressed Desire
175(6)
Baby-Mama Drama-less Sex: How Gay Heartbreak Rains on the Polyamory Parade
181(8)
Top Scientists Get to the Bottom of Gay Male Sex Role Preferences
189(4)
Is Your Child a "Pre-homosexual"? Forecasting Adult Sexual Orientation
193(12)
Part VII For the Bible Tells Me So
Good Christians (but Only on Sundays)
205(6)
God's Little Rabbits: Believers Outreproduce Nonbelievers by a Landslide
211(8)
Planting Roots with My Dead Mother
219(10)
Part VIII Into the Deep: Existential Lab Work
Being Suicidal: Is Killing Yourself Adaptive? That Depends: Suicide for Your Genes' Sake (Part I)
229(9)
Being Suicidal: What It Feels Like to Want to Kill Yourself (Part II)
238(11)
"Scientists Say Free Will Probably Doesn't Exist, Urge `Don't Stop Believing!'"
249(9)
The Rat That Wouldn't Stop Laughing: Joy and Mirth in the Animal Kingdom
258(11)
Notes 269(16)
Acknowledgments 285(4)
Index 289