Horns and antlers are more than different variations on animal head gear. Antlers are temporary and contain no actual bone. Horns are for keeps. Martha Foley and Curt Stager discuss pointy-headed creatures.

Symbiotic relatonships drive survival in the "biological marketplace"

Conversations about the natural world with Dr. Curt Stager and Martha Foley, from member-supported North Country Public Radio.