Are Some Species More Important Than Others? - We explore the universal rules of life that tie together Earth’s living systems. Traveling from Africa’s Serengeti plains to the nearly extinct prairies of the western U.S. to discover the unexpected species that determine the very existence of these places. Can an ecosystem survive without its keystone species? Can we restore endangered human cultures by bringing back a nearly-extinct ecosystem?
This could have devastating effects on our future.
About Be Smart
This is a show about science. But it's probably not about science the way you're used to it. Hosted by Joe Hanson, author of the science blog, It's Okay to be Smart. Part of the PBS Digital Studios network.