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The Eastern Snapping Turtle can reach a size of three feet and 50 lbs. Martha Foley and Curt Stager introduce us to this large and testy reptile found throughout the eastern US.

Do we all hear the same things? Is middle-C on a piano the same for you as it is for someone else? Martha Foley and Dr. Curt Stager look at how we hear what we hear.

Martha Foley and Dr. Curt Stager continue discussion of animal extinction with a look at the book The Ghosts of Evolution.

Dr. Curt Stager and Martha Foley discuss plants that have outlived the animals they co-evolved with.

What's the difference between a salamander and a newt? Not too much, says Dr. Curt Stager. He talks with Martha Foley about how aquatic salamanders mature into the forest variety.

Martha Foley and Dr. Curt Stager discuss the manners and morals of avian mating.

Martha Foley and Dr. Curt Stager discuss mass animal die-offs, such as the one ending the age of dinosaurs.

Wood ant colonies create noticeable hummocks in clearings and fields. The elaborate structures create a temperate micro-climate ideal for protecting larvae, the queen and her workers. Dr. Curt Stager and Martha Foley talk about insect architecture.

The magnetic fields on earth have a pattern of reversing. So does this mean that one day we will all be upside-down when the fields change? Dr. Curt Stager and Martha Foley get to the bottom of up.

This pest of the northern spring can travel up to twenty miles on the wind. How to get away? Dress in yellow, some suggest, or tie a dragonfly to your hat. Martha Foley and Dr. Curt Stager consult.

Dr. Curt Stager describes the differences between two variations of the white-throated sparrow - the white-striped form and the tan-striped form. Though the birds are from the same species and are complementary in some ways, their looks and behaviors are very different. Martha Foley asks: which is more competent?

From catfish to killifish, can some fish actually survive outside of water? Martha Foley and Dr. Curt Stager discuss the old clich? "like a fish out of water" and the truth behind the saying.

"Leaves of three, let it be." Martha Foley and Dr. Curt Stager talk about poison ivy. They discuss whether it's really an ivy, why we call it "poison," and how humans and animals react differently to the plant.

Lampreys - are they fish or eel? Martha Foley and Dr. Curt Stager talk about this jawless fish with a mouth full of teeth and a sucking mouth.

Martha Foley's recent discovery of an old Golden Book on pond life inspires this discussion of some new discoveries that Dr. Curt Stager has made in the same Adirondack pond that he's been researching for 20 years.

Martha Foley and Dr. Curt Stager talk about understanding animal behavior and the natural world through the human perspective.

The octopus has held a fascination for people throughout the ages. Martha Foley describes a surfside encounter with beauty, and Dr. Curt Stager talks about the unusual qualities of this shelless mollusk, from its discernible intelligence to its idealistic anatomy.

Kangaroos, and marsupials, are commonly known as mammals who use a pouch to raise their young. What most people might not know is that the birth of kangaroos in a pouch is in some ways more complex than the birth and development of other mammals. Martha Foley talks with Dr. Curt Stager about kangaroos.

The Eastern hognose snake is better known by its nickname, puff adder, derived from its agressive display when disturbed. Its bite is mildly venomous, capable of sedating small prey, such as toads. Martha Foley and Curt Stager discuss this common northeastern reptile.

Martha Foley talks with Dr. Curt Stager about his ongoing quest for a pristine Adirondack Lake ? one not affected by stocking programs, liming, logging, mining, etc. He thinks he has found one.

The barred owl is often heard but seldom seen. Dr. Curt Stager and Martha Foley discuss the habits of this nocturnal hunter, and Curt demonstrates his own highly-regarded version of its distinctive call.

Bees need to be warm in order to fly. That's usually not a problem, since it takes millions of round trips to flowers to make a pound of honey. But should they fall idle long enough to cool down, bees fire up their wing muscles by shivering. Dr. Curt Stager and Martha Foley, with more about bees.

How many pinecones does a squirrel eat in the winter? It depends on the pinecone, but a single squirrel can eat thousands of pinecones in the winter. Learn more about squirrels and their pinecones with Martha Foley and Dr. Curt Stager.

Humans aren't naturals at tracking smells like dogs, but they can, in fact, track by scent just like dogs. The main difference is humans get better with practice. Martha Foley and Dr. Curt Stager talk about people's sense of smell.