Sex at Dawn

pornography, 5, 7, 12, 231-32, 276-77, 292, 299, 338n child, 283

money made from, 3, 315n

positron emission tomography (PET), 274

Potts, Richard, 214

poverty, 21, 33, 154, 160-65, 169, 207, 210, 342n Power, Margaret, 187-90, 333n Power of Scale, The (Bodley), 171-72 prairie vole, 135-36, 137, 324n

pregnancy, 7, 49, 56, 58, 59, 77, 107, 237, 260, 275, 328n, 342n

of chimps, 70 conception and, 90-91 demons and, 252, 253 prehistory, defined, 27 Prehistory of Sex, The (Taylor), 14 Prescott, James, 284 Presley, Elvis, 86 Pretty Woman, 50 Prisoner’s Dilemma, 167-68, 170 private property, 9, 11-15, 87, 143 prolactin, 267

promiscuity, 98-101, 142, 224, 227, 257, 259, 268, 337n body-size dimorphism and, 217-18 of bonobos, 64, 75, 126, 217-18 defined, 44

of humans, 11, 12-13, 43, 44-45, 179, 180, 241, 246, 250, 259, 265, 294-95

property, 163

of foragers, 162, 176, 190

private, 9, 11-15, 87, 143

prostate cancer, 238

prostitutes, 28, 29, 50, 56, 114, 120, 125, 141, 221, 250, 258

protection, 6, 7, 8, 49, 50, 51, 54, 57, 59, 99, 140, 149

Protestant work ethic, 53

psychic unity of humankind, 115

psychology, 12, 106, 172

confirmation bias and, 117

evolutionary, see evolutionary psychology

Psychopathia Sexualis (Krafft-Ebing), 249-50

punishment, 83-84, 95, 97-98, 253, 286, 338n Pusey, Anne, 69, 264 Quadagno, David, 289

Quaestiones super Viaticum (Peter of Spain), 40

Queen’s University (Belfast), 238

Ramusen, Knud, 121

rape, 38, 64, 95, 127, 186-87, 253

Reid, D. P., 344n

Reiner, Rob, 341n

religion, 27, 34, 35, 96, 109, 119-20, 315n

Rembrandt, 63

Rent a Rasta, 289, 345n

repetitive microsatellite, 72

repression, sexual, 47, 277, 287

reproduction, 14, 38, 53, 78, 85, 86-87, 99, 149, 166, 215, 326n

bonobos and, 63, 64 of gibbons, 64

rape and, 187 rates of, 154 resources and, 158 sperm competition in, 229 reproductive tract, female, 220 sperm welcome in, 264-67 vacuum in, 235 resources, 76, 100, 166, 176 communally owned, 169-70, 180 competition for, 158 depletion of, 158, 159 male, 7, 50, 54-57, 59, 142

reticence, female, 27, 38-42, 51, 96, 221, 229, 254, 258-59, 266

Reuters, 119-20, 197

Ridley, Matt, 34, 154, 177, 217, 326n

Roberts, Julia, 50

Rochester, University of, 237

Rock, Chris, 290, 291

rock and roll, 86, 320n

Rolling Stone, 146, 147

Romance on the Road (Belliveau), 289

Rome, ancient, 95-96, 124-25, 191, 233

Romer, Roy, 310-11

Roseto, 162, 328n

Roughgarden, Joan, 26, 117, 316n

Rousseau, Jean-Jacques, 32-33, 69, 87, 167, 170, 322n

r-selected species, 326n

Ryan, Meg, 256

Sagan, Dorian, 227

Sahlins, Marshall, 161, 162-63, 176, 195 Saletan, William, 21, 107 Salovey, Peter, 144-45 Samoans, 321n

Sanday, Peggy Reeves, 132-33, 324n

Sapolsky, Robert, 65, 72, 178-79 SARS, 207 Sartre, Jean Paul, 84 Saudi Arabia, 119-20 Savage, Dan, 231, 304 Savage-Rumbaugh, Sue, 330n Scheper-Hughes, Nancy, 203 Schiebinger, Londa, 316n-17n Schopenhauer, Arthur, 29, 46, 281 Science, 34, 169, 216-17 science, politics and, 211 scrotum, 220, 236-37, 243, 339n security, sex and, 38-39, 93 “seeds of confusion” theory, 59-60 Seinfeld, Jerry, 47, 288

self-interest, 9, 38, 100, 117, 133, 139, 141, 166, 181, 316n of economic man, 167

Selfish Gene, The (Dawkins), 166, 177

selfishness, 166, 169, 177, 211-12, 328n

semen, 90-91, 105, 124, 228, 230, 234, 235, 236, 238, 267, 339n

depletion of, 250, 340n

Semple, Stuart, 256-57

Seneca, 42-43

Senters, Todd, 283

sex changes, 281-82

sexual dysfunction, 2-3

Sexual Fluidity (L. Diamond), 278

sexual intercourse, 12, 85, 90-91, 124, 242, 247, 283, 286, 295

with demons, 252 duration of, 236, 236, 242 positions for, 77, 224 promiscuous, see promiscuity thrusting action in, 234-35, 243

Sexual Life in Ancient Rome (Kiefer), 124-25

sexual selection, 26, 34, 39, 42, 54-55, 221, 225, 266, 316n

postcopulatory, 343n

Roughgarden’s views on, 117

Shackelford, Todd, 338n

shame, 12, 54, 82, 96, 122, 129, 167, 170, 172

sharing, 6, 9, 11-12, 59, 99-100, 102, 177

of food, see food, sharing of

of mates, 12, 121, 137, 141, 146

Shaw, George Bernard, 155, 172, 211

sheep, 272, 280

shelter, 49, 81, 176, 302

Sherfey, Mary Jane, 254, 268, 342n

Shia Muslims, 120

Short, Roger, 227, 234

Sick Societies (Edgerton), 23, 192

sin, original, 35, 82

Singer, Peter, 335n

single mothers, 26, 49, 310

single-parent families, 4, 300

Sioux (Lakota), 334n

Siriono, 121, 145, 302