Prof David Geary is a cognitive developmental and evolutionary psychologist interested in mathematical learning and sex differences. He is currently a Curators’ Professor and Thomas Jefferson Fellow in the Department of Psychological Sciences and Interdisciplinary Neuroscience Program at the University of Missouri in Columbia, Missouri.
0:44 Why do we have sexes and what are they?
3:20 Could we have more sexes?
4:10 The evolutionary logic behind two sexes
5:55 What is sexual selection and why does it lead to sex differences?
7:05 Differential parental investment strategies
9:20 Humans aren’t as unique as we like to think
10:27 Bo poses a theory about sexual selection
13:07 Questioning Geoffrey Miller’s The Mating Mind paradigm
16:24 Lineage enhancement
18:22 The Danny DeVito problem
19:22 Status versus resources
22:02 Sex differences in the mind
24:45 Most important average differences
27:10 Dodging and throwing objects
31:18 The patriarchy critique
34:23 Feminism as an elite female ideology
35:58 Trans & the new gender ideology
40:00 Natal girls identifying as transgender
42:58 Is transgender a real category?
49:20 The stupidity of children
51:20 What about transgender suppression?
53:00 Bonus questions