主演:Ellen Becker-Gray Jerry Chu Kandace Cummings Olivia Judson Lance Lewman Neil Shubin Karl Steudel
简介:Earth teems with a staggering variety of animals, including 9,000 kinds of birds, 28,000 types of fish, and more than 350,000 species of beetles. What explains this explosion of living creatures—1.4 million different species discovered so far, with perhap
主演:Matvey Ivanov Aleksandra Rybakova Timofey Shubin
简介:When does your childhood go away? It goes away when instead of playing football with other kids you sit down and silently contemplate the river. When your thoughts don't let you sleep, and a lightning bug beats in a pot like a heart. When poems come
简介:Have you ever wondered why the human body looks the way it does? Why our hands have five fingers instead of six? Why we walk on two legs instead of four?It took more than 350 million years for the human body to take shape. How did it become the complicat