University of Toronto Apr 11 2025 New research recently published in Archives of Sexual Behavior suggests children's gender biases can be reflected in their facial emotional expressions. Psychology professor Doug VanderLaan and his colleagues at the University of Toronto Mississauga, studied 296 children (148 boys and 148 girls) in Canada between the ages of four and nine years old while Wang Ivy Wong, Karen Kwan and their colleagues at the Chinese University of Hong Kong, and The Hong Kong