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The Making of the Fittest: Natural Selection in Humans: In some parts of the world, the infectious parasitic disease malaria and the genetic disease sickle cell anemia are intimately connected.

What is sickle cell anemia? What is malaria? And how can one be linked to the other? Answer these questions for your students using this educational video on human evolution.

By: BioInteractive

The discovery of the structure of the DNA double helix was one of the most important of the 20th century. In this educational video, explore Watson and Crick’s quest to understand DNA’s structure, and Rosalind Franklin’s key insights via x-ray crystallography.

Rarely seen archival footage is combined with interviews with some of today’s leading scientists to bring this Nobel Prize–winning discovery and all of its scientific implications to life.

By: Biointeractive

Natural selection leads to the evolution of new traits. In this educational video, see how stickleback fish have adapted to live permanently in freshwater environments. Explore a case study of natural selection with this classroom-ready biology video.

Though stickleback fish once lived in the ocean, some populations now thrive in freshwater environments. This change resulted in drastic physical transformations. Explore topics in gene expression and adaptation in this fascinating short film.