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The Origin of Species: Lizards in an Evolutionary Tree

This film explores the adaptation of anole lizards (genus Anolis) to habitats common across the islands of the Caribbean. The anoles are excellent examples of adaptive radiation, convergent evolution, and speciation through reproductive isolation.

Cone Snails: Versatile Hunters

Dr. Jason Biggs of the University of Guam Marine Laboratory discusses the anatomy of cone snails and introduces us to a variety of cone snail species with different tactics to hunt and capture their prey.

Cone Snail Toxins and Paralysis

This animation shows how cone snail toxins cause paralysis by blocking signal transmission at the synapse between neuron and muscle.