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- Science documentaries about various topics.
- Uncover the complicated truth behind our sense of taste.
- The disappearance of the dinosaurs at the end of the Cretaceous period posed one of the greatest, long-standing scientific mysteries. This three-act film tells the story of the extraordinary detective work that solved it. Shot on location in Italy, Spain, Texas, Colorado, and North Dakota, the film traces the uncovering of key clues that led to the stunning discovery that an asteroid struck the Earth 66 million years ago, triggering a mass extinction of animals, plants, and even microorganisms. Each act illustrates the nature and power of the scientific method. Representing a rare instance in which many different disciplines- geology, physics, biology, chemistry, paleontology- contributed to a revolutionary theory, this film will engage all who are interested in science.
- On December 30, 2019, Chinese virologist George Fu Gao, director of the National Center for Disease Control in Beijing, saw a piece of information fall on his screen that would soon affect all of humanity: a lung disease of unknown origin had broken out in Wuhan, in central China. Eleven days later, on January 10, 2020, his team has already sequenced the genome of this new corona-virus and shared the results globally. For researchers at the forefront of virology, the Chinese alert is a wake-up call. The pandemic is likely, even inevitable, and they must try to catch it by creating an effective vaccine. Five teams will take the lead in this scientific race.
- The Darwinian revolution was the first revolution in biology.
- Understanding the neural circuits in the spinal cord that control movement.
- The discovery of DNA as the basis of heredity led to an explosive growth of knowledge about the human genome.
- The rock pocket mouse is a living example of Darwin's process of natural selection. Evolution is happening right now everywhere around us, and adaptive changes can occur in a population with remarkable speed. This is essential if you're a mouse living in an environment where a volcanic eruption can reverse selective pressure in nearly an instant. The film features Dr. Michael Nachman, whose work on pocket mice reveals a complete story, from ecosystem to molecules, that demonstrates how random changes in the genome can take many paths to the same adaptation-a colored coat that hides them from predators.
- A look at the origins of mankind.
- A first-hand account of the painstaking search for Tiktaalik, a creature with a mix of features common to fish and four-legged animals.
- Dr. Knoll takes viewers on a tour of the life forms that have existed on our planet since its origin. The history of animals etched in the fossil record represents merely the most recent 15 percent of the entire history of life on Earth. The deeper history and the greatest diversity is microbial. Dr. Knoll also discusses his exploration of possible life on Mars, research that draws on images of ancient sedimentary rocks collected by the NASA rover Opportunity.
- Dr. Rosbash reveals that the fruit fly has a biological clock in its nervous system.
- Working in East Africa in the 1950s, Tony Allison was the first researcher to find a connection between the infectious parasitic disease malaria and the genetic disease sickle cell anemia. His discovery is among the first and best-understood examples of natural selection, where the selective agent, adaptive mutation, and critical molecules involved are known--and all in humans. The protection against malaria by the sickle-cell mutation shows how evolution does not necessarily result in the best solution imaginable but proceeds by whatever means are available.
- The story of animal evolution is marked by key innovations such as limbs for walking on land, wings for flight, and color patterns for advertising or concealment.
- Although heart disease typically occurs after middle age, seemingly fit and healthy young individuals can die suddenly from heart disease.
- One of the most profound questions we can ask is "Where have we come from?" Charles Darwin addressed this question in his book on human evolution, The Descent of Man, which was published in 1871. Since then, scientists have gathered fossil and genetic evidence to give shape to the human evolutionary tree. Evolutionary science, like all science, involves processes for building a body of knowledge based on reason and evidence, and requires both creativity and critical thinking.
- In 1994, scientists discovered the remarkably well-preserved fossil of "Ardi," a member of the 4.4-million-year-old species Ardipithecus ramidus. Fossils found with Ardi indicate that she lived in a woodland rather than savanna habitat. Even more surprising than her ecology is the unique combination of humanlike and chimplike anatomical features. Ardi's remains illuminate the divergent evolutionary histories of living chimpanzees and humans.
- Eva Harris on developing safe vaccines for dengue and other diseases.
- Dr. Oreskes explores past scientific models of the processes responsible for shaping the physical features of our planet and describes the current theory of plate tectonics. She brings her historical perspective to tell fascinating stories of how scientific ideas are born and how some eventually die.
- The cellular and molecular nature of learning and memory, investigated in simpler sea slugs and more-complex mice.
- Eva Harris lectures on research aimed at thwarting dengue fever in the lab and in communities.
- The heart acts as a dual pump, sending oxygen-depleted blood to the lungs and pumping oxygen-rich blood to vital organs throughout the body.