First, birds, bees, whales and turtles all use the earth s magnetic field to guide their behaviour. Now scientists have learned much more about how. Joining us is Andres Vidal Gadea. He s a professor of Molecular Neuroethology at Illinois State University who has made the fascinating discoveries. [ dur: 14 mins. ]

For a transcript of this interview, please visit: TheBigQ

Human history has been drastically changed by our relationship with animals. So much so that our next guest says it would be a different world if not for our intimate bonds with animals. How have they changed us and the world we live in? Joining us is Professor Brian Fagan. [ dur: 41 mins. ]

Find books authored by our guest scholars on this Book Shelf .

This program is produced with generous contribution from Ankine Aghassian, Melissa Chiprin, Tim Page, Mike Hurst and Sudd Dongre.

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