How life on Earth adapts to you and me

We tend to think of evolution as a slow, gradual process playing out over millions of years. But evolutionary biologist Shane Campbell-Staton says nature is now changing at breakneck speed to keep up with the world humanity has built. From tuskless elephants who escape poachers to wolves living in the radioactive Chernobyl Exclusion Zone, Campbell-Staton unpacks how life is rapidly adapting in surprising ways — and asks us to rethink how we can protect the planet's biodiversity. (Read transcript)