Octopuses can regenerate entire arms, even though each arm has a mini brain and an extensive network of neurons.  Healing begins with undifferentiated stem cells that develop into specialized...

I've researched sharks for many years and some of my most popular presentations feature sharks and their amazing abilities. Sharks have senses that seem magical since we humans have nothing of the...

Here in the Pacific Northwest, Pine siskins have been dying from a Salmonella outbreak this winter. We've found over 125 dead in my city alone.  Bird feeders need to be kept clean and the seeds...

I’ve always been fascinated with wolves and their ability to hunt cooperatively to bring down large animals like moose and bison.  As a biologist I’ve become interested in the controversial...

On a recent cruise up the Amazon river, we witnessed firsthand the relentless deforestation of the Amazon rainforest.  Our shore excursion to the rainforest meant hours of driving through large...

Whenever we travel to Australia, we love to observe that iconic marsupial, the koala (Phascolarctos cinereus).  Even though it is becoming more and more difficult to see wild koalas in their...