University of Arizona

The Best of Our Knowledge
2:00 am
Wed June 25, 2014

The Best Of Our Knowledge #1240

A rock is a rock is a rock...right? Well, maybe. Geologists and geochemists who study the rock that makes up our planet have found that the solid rock under our feet may not be as solid as we think.

Today on the Best Of Our Knowledge, our Astrobiology series continues with a look at the constant shift of the structure of the Earth...and how that may have clues to the origins of life on the planet.

We'll also spend an academic minute studying life on the Bering Strait...before it was a strait.

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Academic Minute
5:00 am
Tue July 16, 2013

Dr. Barbara Mills, University of Arizona – Social Networks in Pre-Columbian North America

In today’s Academic Minute, Dr. Barbara Mills of the University of Arizona explains the role social networks played in pre-Columbian societies of the American Southwest.

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Academic Minute
5:00 am
Mon April 22, 2013

Dr. Stuart Thomson, University of Arizona – The Formation of Antarctica

In today’s Academic Minute, Dr. Stuart Thomson of the University of Arizona explains the formation of Antarctica’s most dramatic and inaccessible features.

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Academic Minute
9:18 am
Wed March 13, 2013

Dr. Rebecca Fisher, University of Arizona – Lizard Tail Regeneration

In today’s Academic Minute, Dr. Rebecca Fisher of the University of Arizona explains how a species of lizard is able to regenerate their self-amputated tails.


Rebecca Fisher is an associate professor of medical science at the University of Arizona and an associate professor of life sciences at Arizona State University. Her research lab studies the anatomy and evolution of vertebrates. She is currently analyzing the functional anatomy of the tail in green anoles. She holds a Ph.D. from Yale University.

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Academic Minute
5:00 am
Wed July 11, 2012

Dr. Ilaria Pascucci, University of Arizona – Rules of Planetary Placement

In today’s Academic Minute, Dr. Ilaria Pascucci of the University of Arizona explains the rules that govern the messy process of solar system formation.

Ilaria Pascucci is an assistant professor of planetary sciences at the University of Arizona where her current research is focused on various aspects of solar system formation. More specifically, she is examining the dispersal of pre-planetary material around young stars. Her work has been published in a number of peer-reviewed journals and she holds a Ph.D. from the Max Plank Institute for Astronomy in Heidelberg, Germany.

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