Sex at Dawn

aggression, 72, 129

of chimps, 64, 68, 70, 76, 189

of humans, 68, 71, 76

of monkeys, xi-xiii, 176

see also violence; war

agriculture, 12-15, 13, 21, 81-83, 87, 180, 211

harems and, 218

health and, 173, 175, 206-7

population growth and, 9, 33, 154, 156, 158, 169

radical change and, 9, 246

transition from foraging to, 8, 83, 173-75, 319n, 328n

war and, 191-92, 193

wealth disparities and, 162

Ainley, David, 135

Alamo, the, 19, 24

Alcmene, 228 Alexander, Michele, 277 Alkon, Amy, 26 alpha males, 10, 59-60 Alzheimer’s disease, 298

Amazon, 11, 90-91, 96, 103, 121, 125-26, 144, 184, 308n, 340n

American Journal of Cardiology, 209 American Medical Association, 2, 287 American Society of Plastic Surgery, 259 Amphitryon, 228 anal sex, 283

Anatomist, The (Andahazi), 251 Anatomy of Love, The (Fisher), 74, 114 Andahazi, Federico, 251 Anderson, Terry, 84, 319n-20n Angier, Natalie, 168, 258-59 Angus, Ian, 170

Anokhin, Andrey, 274 anonymity, 171-72 Antarctica, 134-35

anthropology, 9, 11, 12, 15, 90-92, 105, 106, 108, 171, 185, 203, 340n

misinterpretation, misunderstanding and, 113, 116, 117, 118, 127, 133, 134, 137

antidepressants, 299

antigens, 228, 264

ape anatomy, multiple comparisons of, 224

apes, great, 61-78, 62

humans as, 1, 315n

penis lengths of, 235-36, 235

social organization among, 65-66

sperm competition among, 230

see also bonobos; chimpanzees; gorillas; orangutans

appearance, physical:

female, 47, 139, 140

male, 47, 55, 140 Appell, G. N., 169 Aquinas, Thomas, 252

archaeology, 14, 173, 193, 201, 205, 243, 316n, 327n

Ardipithecus ramidus, 216-17, 336n-37n

Aristotle, 228

Armelagos, George, 174

Arrowood, Patricia C., 257-58

Asante, 192-93

Asia, 207, 241, 242, 327n

attraction, sexual, 41, 57, 96, 123

attractiveness, male, 55, 275

Australia, 185, 238

Aborigines in, 11, 21-22, 164-65, 176, 185, 203 Australopithecus, 336n Axelrod, Robert, 168 Aztecs, 192-93

baboons, 59, 62, 63, 65, 72, 116, 178-79

copulation calls of, 257, 258

gelada, 261, 339n

Bailey, Michael, 276-77

Baker, Robin R., 264, 338n, 342n

Baker Brown, Isaac, 250-51, 285

Balzac, Honore de, 115

Barash, David, 225, 342n

Barcelona, 244

Bari, the, 320n

Barlow, John Perry, 318n

Barnes, Cynthia, 130-31, 134

Bateman, A. J., 51

BBC, 116, 161, 204, 235, 271, 276

Beach, Frank, 96

Beagle, HMS, 26, 31, 164, 181

Beckerman, Stephen, 90-91, 92, 103, 308n beef, 237, 242