This video introduces the concept of niche partitioning with examples drawn from the African savanna.

This video describes the technology of metabarcoding, which allows scientists to determine herbivore diets based on the sequences of plant DNA extracted from animal dung.

This video provides an overview of the types of genes that, when mutated, can lead to the development of cancer.

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.

Dr. Christopher Walsh discusses how genomic science has made enormous contributions to our understanding of the genetic causes of autism.

This video explores how advances in DNA sequencing technology have improved cancer diagnosis and treatment.

This video tells the story of a boy with a congenital brain condition and how analyzing samples from him and other patients helped discover the genetic cause.

This video provides a demonstration of the principle of isostasy, the idea that the continental crust “floats” on the underlying mantle.

This video provides a demonstration of two main principles in the study of rock layers: superposition and association.

This video provides a quick overview of the mosquito life cycle, from egg to adult, and discusses how mosquitoes can transmit viruses to people.

This video explores a microarray technology for identifying pathogens that infect honey bees. This research may help identify possible causes for colony collapse disorder.