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Fire scientist David Bowman gives a testimony of the danger of catastrophic bushfire around his hometown of Hobart, Tasmania. As record bush fires continue to plague the country, the work of Bowman and his colleagues to understand the causes and consequences of these events becomes ever more pressing. Part of WildFIRE PIRE series.
(Source: DCMP)
Psychiatrist and author Dr. Norman Doidge travels across North America to meet some of the pioneering researchers who made revolutionary discoveries about the plasticity of the human brain. He also visits with people, once thought to have had incurable brain injuries, who are now living normal lives. Known in scientific circles as "neuroplasticity," this radical new approach to the brain provides an incredible way to bring the human brain back to life.
At Lake Seminole Farm, David Krause and Breck Dalton discuss mushroom production and their role in forest ecology. They grow organic shiitake and oyster mushrooms on trees found in the forest. Part of the "EcoAdventures in North Florida" series.
What can people expect to see on August 21, 2017? It depends on where one is located. David Boboltz of the National Science Foundation describes the path of the solar eclipse.
David Boboltz of the National Science Foundation provides tips for safely viewing the solar eclipse. He advises viewers to use the appropriate glasses leading up to and after the moment of totality.
David Boboltz of the National Science Foundation provides information on where to obtain the appropriate glasses to view the solar eclipse. He advises those wishing to view the eclipse to check with their local libraries and various online sources.
A total solar eclipse will occur on August 21, 2017. It will track from Oregon to South Carolina. David Boboltz from the National Science Foundation describes what viewers can expect to see in various locations.
When well-mannered Elliot reluctantly visits the aquarium with his distractible father, he politely asks whether he can have a penguin. Then he removes one from the penguin pool and places it into his backpack. The fun of caring for a penguin in a New England Victorian house is followed by a surprise revelation by Elliot's father. Based on the book by Toni Buzzeo and David Small.
David Boboltz of the National Science Foundation explains the hazards of not wearing the appropriate glasses to view the solar eclipse on August 21, 2017. Those wishing to view the eclipse need to make sure they have approved solar glasses so they do not damage their eyes.
Predatory snails overrun north Florida’s oyster reefs. Dr. David Kimbro investigates what appears to be a localized problem in St. Augustine, Florida. The reefs were being decimated by crown conchs. However, he learns that the same problem is occurring in Apalachicola, Florida. Part of the series "In The Grass, On The Reef."
Dr. David Kimbro and Dr. Randall Hughes investigate a new idea: can crabs hear? They design an experiment to test their new theory and explore the effects it may have on the crabs. Part of the series "In The Grass, On The Reef."
David Ray never turns his back on his research, and with good reason. Ray and his team study alligators, crocodiles, and bats. With support from the National Science Foundation, this multidisciplinary team from several universities is mapping crocodile and alligator genomes. Reptiles resembling these have existed for around 80 million years and they are among the first reptiles to have their DNA sequenced. The research will expand knowledge beyond crocodilians to other reptiles, birds, and even dinosaurs.
Bay Mouth Bar holds what is reputed to be the largest diversity of predatory snails in the world. Dr. David Kimbro is investigating how top predators in this group of seagrass beds affect the system as a whole, which in turn affects local fisheries. Part of the series "In The Grass, On The Reef."
The intertidal ecosystems lining Florida’s Gulf coast are economically important, but in decline. Dr. Randall Hughes and Dr. David Kimbro, two Florida State University marine ecologists, hope that by studying them, they might gain knowledge that will help preserve salt marshes, oyster reefs, and seagrass beds. Part of the series "In The Grass, On The Reef."
Paleo-anthropologists believe Homo sapiens evolved in Africa 100-200 thousand years ago, and eventually moved out of Africa to populate the globe. But, how can researchers trace the specifics of that human migration? With support from the National Science Foundation, Florida Museum of Natural History Mammologist David Reed has undertaken a novel approach. He studies the genetic diversity and evolution of the human parasite that hitched a ride the whole way: lice.
Many outlet glaciers in Greenland feed ice from the land into fjords, where discharge of icebergs and melting of the glaciers by warmer ocean waters contribute to rising sea levels. David Holland of NYU studies what happens in the fjord when ice meets water. He also studies how the dynamics at the margin between ice and sea are changing, and what those changes could mean in the future for global sea level rise. Part of the National Science Foundation Series “Science Nation.”
Snakes certainly make it look easy when they slither forward, leaving perfect S-curve tracks behind them, but scientists have long been puzzled by the mechanics of their locomotion. Now, after a series of experiments and some computer modeling, David Hu has cracked the case. With funding from the National Science Foundation, he’s using math to determine how snakes slither and it turns out they move in a much different way than scientists have long thought.
While it is relatively straightforward to build a box on the macroscale, it is much more challenging at smaller micro and nanometer length scales. At those sizes, 3D structures are too small to be assembled by any machine and they must be guided to assemble on their own. With support from the National Science Foundation, Brown University mathematician Govind Menon and Johns Hopkins University chemical and biomolecular engineer David Gracias are developing self-assembling 3-D micro and nanostructures which can be used in a number of applications, including medicine.
The heart is the most symbolic organ of the human body. Across history, it has been seen as the source of emotions and the center of human existence. However, by the seventeenth century, scientific understanding overturned historical ideas, and the heart was recognized merely as a mechanical pump. More recently, Professor David Paterson from the University of Oxford has been doing extensive research that challenges this view. He has discovered that the heart has millions of specialized neurons just like those that are in the brain. Neurons are the cells that give humans the ability to think. So what does their presence in the heart mean?
David Stahle travels to ancient forests around the world, collecting tree rings to learn more about major climate and historical events dating back hundreds and thousands of years. With help from the National Science Foundation, he uses dendrochronology, or tree-ring dating, to get a snapshot of climate change over time. Stahle runs the Tree-ring Lab at the University of Arkansas, where he and fellow tree-ring researchers are learning that a trend of global warming began in the 1800s and continues today, brought about by changes in tropical sea surface temperatures of no more than a few tenths of a degree Celsius. Today Stahle is working with hydrologists and government planners in California and throughout Mexico to plan for drought and climate change events.
