While evolution gets all the spotlight for moving species into better versions of themselves, but really it's natural selection that is the engine driving the process. Learn all about this elegant scientific observation that forms the basis of life.
Jan 2014
John Waldman, “Running Silver: Restoring Atlantic Rivers and Their Great Fish Migrations” (Lyons Press, 2013)
When it comes to understanding why our planet’s biodiversity is declining so precipitously, no phrase has as much explanatory power as “shifting baselines” — as essayist Derrick Jensen put it, “[T]he process of becoming accustomed to, and accepting as normal, worsening conditions ... Show More
46m 19s