Located in Washington State, Hanford is the nation’s largest nuclear cleanup site with 56 million gallons of radioactive waste sitting in old leaky underground tanks. There’s a plan to clean it all up. And our environmental reporting partner Earthfix has the story.

In this episode of SciTech Now, taking farming to a whole new level; a look into fossil data reveals that vision prompted fish to make the leap onto land; cleaning up nuclear waste; and Science Reporter Dave Mosher tells us about his first space shuttle mission story.