Synopsis
James May explains the human reproductive system and how sperm reaches the egg.
Further Information
Similar broadcast resources
Competitive mating displays | Lost Land of the Volcano
Gordon watches on from the canopy as two Raggiannas perform their majestic mating displays, and manage to secure a mate.
S04E06 | Bang Goes the Theory
Liz Bonnin looks at the controversial science of genetically modified crops in Hawaii, while Dallas tries to remedy Jem's dust allergy by making him eat worms.