Apr 17, 2003 — As we begin thinking about spring cleaning and all the dust that has accumulated in the house over the winter, Natural Selections tackles the questions "What is dust?" and "Are dust bunnies alive?"  Go to full article

Dec 05, 2002 — Martha Foley asks Dr. Curt Stager to explain, if not the meaning of life, then what we mean when we say the word "life."  Go to full article

Aug 22, 2002 — Martha Foley and Dr. Curt Stager discuss the survival advantages to species whose appearance is deceiving.  Go to full article

Jul 04, 2002 — Dr. Curt Stager and Martha Foley discuss the habits and habitat of the neophyte angler's favorite, the yellow perch.  Go to full article

Jun 20, 2002 — Martha Foley and Dr. Curt Stager talk Doomsday--how the sun and earth will die, how the universe will end.  Go to full article

May 16, 2002 — Martha Foley and Dr. Curt Stager talk about "handedness" in people, lobsters and toads.  Go to full article

Nov 02, 2000 — Natural Selections co-host Martha Foley has noticed an increase in the vulture population near her home. She asks Dr. Curt Stager to explain more about the large scavenging birds and what they look for in a good meal.  Go to full article