Humans are the only mammals to live beyond their child-bearing years, and this programme examines the ravages of ageing. Professor Robert Winston explains why baldness and wrinkles set in, and how we become more vulnerable to diseases and accidents.
Motion analysis, a new filming technique, reveals the intricacies of how babies crawl. Medical imaging shows the tiny organ in a baby's ear that ensures balance. And an ingenious experiment proves how children as young as three can lie convincingly.
This programme follows a pregnancy from conception to birth using new medical imaging techniques developed for the series