Airborne: life takes to the sky
This program analyzes how flight evolved not once but four times, in very different ways. Presenting a number of theories, the program examines how insects, pterosaurs, birds, and bats each took to the sky. Bug wings that may have evolved from larva...
Land grab: life moves ashore
Long ago, the oceans were home to all living things. Then some creatures moved ashore. But how? This program outlines the stages of natural selection that enabled water-dwelling animals and plants to survive, and then thrive, on land. Key evolutiona...
Seas of life
The oceans are life's laboratory, the global test tube where trial and error meet cause and effect. By focusing on pivotal animals-ammonites, flatworms, sea squirts, frog fish, and bottlenose dolphins, to name only five-and anatomical adaptations su...