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- Science documentaries about various topics.
- Uncover the complicated truth behind our sense of taste.
- 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 heart acts as a dual pump, sending oxygen-depleted blood to the lungs and pumping oxygen-rich blood to vital organs throughout the body.
- Understanding the neural circuits in the spinal cord that control movement.
- 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 products of natural, and human, selection are all around us. Humans have transformed wild plants into useful crops by selective breeding. Human selection has also produced pets and other domesticated animals with sizes and shapes very different from their wild ancestors.
- Eva Harris lectures on research aimed at thwarting dengue fever in the lab and in communities.
- An overview of embryonic development, the progressive differentiation of cells, and properties of embryonic stem cells.
- The analysis of DNA sequences reveals the genetic heritage of modern humans. Using genetic evidence, scientists established that modern humans (Homo sapiens) originated from Africa. As groups of modern humans dispersed from Africa, they adapted to different environments around the globe. Genetic variations in human populations account for these adaptations, which continue to play a role in our lives. Examples of adaptations include what we choose to eat, what we are able to digest, and how susceptible we are to certain diseases.
- Thomas M. Jessell lectures on how nerve cells get their identity, how they send axons, and how they make connections with other cells.
- The discovery of DNA as the basis of heredity led to an explosive growth of knowledge about the human genome.
- The cellular and molecular nature of learning and memory, investigated in simpler sea slugs and more-complex mice.
- Archaeology is the study of human residues using the scientific method to reconstruct human behavior. Residues are anything that results from human action, including stone tools. Tools are important in differentiating humans from other animals, and stone tools can be preserved over millions of years. By studying stone tools, scientists have learned how past human species might have lived and behaved, and how early humans differed from chimpanzees.
- Eva Harris on developing safe vaccines for dengue and other diseases.
- Lecture on how new technologies like the Virochip harness DNA's properties to identify and fight new viruses.
- 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.
- The Virochip has been used to identify the infectious agents of SARS and other diseases.
- A journey into a special region of the brain- the biological clock that governs our physiology and certain behaviors.
- 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.
- A look at the origins of mankind.
- The inner workings of the fruit fly's biological clock.
- 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.
- A look at how birds evolved from dinosaurs.
- 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.