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This video follows scientists working in Bangladesh as they test fruit bat populations to determine whether they are infected with Nipah virus, a potentially deadly human pathogen.

This film explores what our hair, teeth, and hearing reveal about our evolution from ancient reptilian ancestors.

This film explores how the genetic and anatomical legacy of a fish can be seen today in the human body.

This video shows the reactions of first-grade students to a replica of a Tiktaalik fossil.

This video shows a technique used to obtain detailed images of nerve cells by fluorescent microscopy.

This animation shows how a region of the brain called the cerebral cortex develops in a human fetus.

This film tells the story of the scientific quest to explain one of the greatest, long-standing scientific mysteries: the sudden disappearance of the dinosaurs at the end of the Cretaceous period.

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.

This animation shows how the drug Prialt suppresses signals from the nervous system, which can paralyze certain organisms.

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

Mice can be trained to use spatial cues to navigate a maze that tests their ability to remember specific locations.

This video explores a reflex in a model organism for studying short- and long-term memory.