Chargaff's Ratio
This animation describes the typical ratios of bases in DNA.
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Displaying videos 37 - 48 of 206, page 4 of 18.
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Lactose Digestion in Infants
This animation shows how human infants can digest milk using the enzyme lactase.
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From Ants to Grizzlies: A General Rule for Saving Biodiversity
This film explores the species-area relationship, a general ecological rule that describes how the number of species in a habitat changes with area, and shows how it has been applied to the conservation of protected areas.
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Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades
This film tells the story of the ecologists who first documented the role of keystone species in ecosystem regulation.
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Biology of SARS-CoV-2
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.
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Out of the Ashes: Dawn of the Age of Mammals
This film explores how life recovered after an asteroid wiped out the dinosaurs and how those events shaped the diversity of plants and mammals on Earth today.
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The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
This film explores the genetics and evolution of lactase persistence in humans.
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The Mosquito Life Cycle
This video provides a quick overview of the mosquito life cycle, from egg to adult, and discusses how mosquitoes can transmit viruses to people.
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Stickleback Fish Environment
This video provides an introduction to the stickleback fish and their predators, which live in freshwater lakes.
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Human Embryonic Development
This animation gives an overview of how a fertilized human egg develops into an embryo.
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Steve Palumbi & Megan Morikawa Study Coral Reef Damage in American Samoa
This video describes the work of biologists Steve Palumbi and Megan Morikawa, who use field and controlled experiments to understand the mechanisms that allow some corals to tolerate a greater amount of heat stress than other corals.
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Think Like a Scientist: Natural Selection in an Outbreak
This video focuses on the front lines of the 2013–2016 Ebola outbreak in West Africa and explains how scientists monitored the evolution of the virus by analyzing its genome.
