Audio

To The Best Of Our Knowledge

Annie Leonard tells Steve Paulson what happens to most of the plastic bottles consumers carefully washout and recycle.

To The Best Of Our Knowledge

Jon Stravers — also known as "Hawk" — is an ornithologist, a musician, and a Vietnam veteran. To say that he's obsessed with birds might be putting it mildly. Since he came back from Vietnam he's spent most of his springs and summers along the Mississippi keeping an eye and ear out for birds. His latest obsession is the Cerulean Warbler, a species once thought to be in decline in the Upper Mississippi.

To The Best Of Our Knowledge

Adam tells Jim Fleming that the emotional worlds of his mentally ill characters are different from those of the rest of us only in degree, not in kind.

To The Best Of Our Knowledge

Archeologist Alexander Stille talks to Steve Paulson about the paradox involved in his work – sometimes digging up old treasures can destroy them.

Lips curled back

"Disgustologist" Valerie Curtis talks about a powerful driver of human emotion.

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