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This four-part animation series explores the biology of the virus SARS-CoV-2, which has caused a global pandemic of the disease COVID-19.

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

This animation shows how a single species can give rise to many different species with distinct traits, using anole lizards as an example.

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.

This film tells the story of the scientists and the evidence involved in one of the most important scientific quests of the 20th century: the discovery of the structure of DNA.

This film explores four decades of research on the evolution of Galápagos finches, which has illuminated how species form and diversify.

This film explores how gene duplications and mutations have led to remarkable physiological adaptations in Antarctic fish.

This animation shows how a mutation that allows adult humans to digest milk can be lost or spread under different circumstances.

This animation shows how a variety of proteins interact to regulate the transcription of eukaryotic DNA into RNA.

This animation explores the chemical components and bonds of the nucleotides that make up DNA.

This animation shows how dengue virus infects a cell and replicates itself with the help of its host’s cellular machinery.

This animation describes PCR, a standard laboratory technique for making many copies of a specific DNA sequence.