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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.
- A look at the origins of mankind.
- In the early 1800s, most people, scientists included, accepted as fact that every species was specially created by God in a form that never changed. The epic voyages and revolutionary insights of two brave young British naturalists, Charles Darwin and Alfred Russel Wallace, overturned this long-held idea. Prodigious collectors of animals and plants, each man developed a keen appreciation for the variation within species, the relatedness of species, and the patterns of geographic distribution-evidence that was hard to reconcile with special creation. This hard-earned knowledge led each to ask why and how creatures came to live in a given place.
- Dr. Rosbash reveals that the fruit fly has a biological clock in its nervous system.
- Eva Harris on developing safe vaccines for dengue and other diseases.
- A first-hand account of the painstaking search for Tiktaalik, a creature with a mix of features common to fish and four-legged animals.
- The cellular and molecular nature of learning and memory, investigated in simpler sea slugs and more-complex mice.
- 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.
- 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.
- Although heart disease typically occurs after middle age, seemingly fit and healthy young individuals can die suddenly from heart disease.
- A journey into a special region of the brain- the biological clock that governs our physiology and certain behaviors.
- For life to survive, it must adapt and readapt to an ever-changing Earth. The discovery of the Antarctic icefish has provided a stunning example of adaptation in an environment both hostile and abundant, where the birth of new genes and the death of old ones have played crucial roles. Researchers Bill Detrich, Christina Cheng, and Art DeVries have pinpointed the genetic changes that enable icefish to thrive without hemoglobin and red blood cells and to avoid freezing in the icy ocean.
- 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.
- 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.
- 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.
- Dr. Oreskes shares her insights into why the growing scientific consensus on climate change continues to be debated. She describes how a Cold War-era think tank became an influential source of anti-regulation sentiment, swaying public opinion on many topics, including climate change. She then reviews the reasons why scientists have come to a consensus on climate change, as well as debunking some common arguments against anthropogenic causes of climate change.
- Thomas M. Jessell lectures on how nerve cells get their identity, how they send axons, and how they make connections with other cells.
- Recent studies have identified important genes that direct embryonic development. Specific developmental regulators control the formation of heads and tails, backs and bellies, forelimbs and hind limbs, and the left and right sides of the body.
- The inner workings of the fruit fly's biological clock.
- Dr. Schrag discusses climate change in the geologic past and explains how that knowledge can help us understand the impact of human activities on future climate. Climate researchers agree that over the past century human activities have been causing global temperatures to rise at unprecedented rates. Dr. Schrag looks at how this trend might be slowed with the aid of technologies such as carbon capture and storage.
- Understanding biological clocks in mammals.