Secrets of Bones

Episode 2

Down to Earth

Ben Garrod discovers how the skeleton has adapted for vertebrates to move on land in many ways and explores the role of the spine in both cheetahs and snakes.

Episode 3

Into the Air

Ben Garrod finds out how the skeleton has allowed vertebrates to take to the air, why the pigeon is an exceptional flier and how the albatross makes huge migrations.

Episode 4

Sensing the World

Ben Garrod delves into the surprising ways in which bone has evolved to help vertebrates sense the world around them, from wolves and sheep to the great grey owl.

Episode 5

Food for Thought

Ben Garrod uncovers the secrets of how vertebrates capture and devour their food using extreme jaws, bizarre teeth and specialised bony tools.

Episode 6

Sex

Ben Garrod seeks out the big part that bones can play in reproduction. Through sexual selection, the skeleton has adapted to aid courtship, competition and even copulation.