The evolution of the feather from dinosaurs.
Made in China-Our Toxic Polluted Air
Recal of the Wild-How to restore land and make it like before humans were there.
Talks about the destruction of nature, and about how people are losing their connections with nature and animals and have an illusion about what nature is.
Talk to Me
Experiments about trying to communicate with dolphins. Studies brains of dolphins compared to the brains of humans.