Claudia Hammond explores how children think with two psychologists; Dr Victoria Simms from Ulster University who researches how children’s understanding of maths develops and professor Teresa McCormack from Queens University Belfast who researches how children understand time.

The discussion was recorded in front of an audience at the Northern Ireland Science Festival in February 2020.

Presenter: Claudia Hammond

(Photo: A group of preschool children sitting on the floor with their legs crossed and their arms raised in the air. Credit: FatCamera/Getty Images)