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Presents the principles of atmospheric dynamics. The Earth's atmosphere is a balance of gases and sunlight that allows for the possibility of life. It has a composition, structure, and life sustaining biological, geological, and chemical cycles in its lower reaches. Also, discusses how these atmospheric elements are being impacted by the unprecedented burning of fossil fuels.
(Source: DCMP)
Dr. Scott Wing spent a decade combing the hills in the Bighorn Basin of Wyoming to find fossil evidence of an extinction event that occurred in the Southern Ocean of Antarctica around 56 million years ago. In this episode, host Emily Graslie talks with him and Dr. Kirk Johnson about how studying the fossil record helps scientists better understand climate change. Part of "The Brain Scoop" series.
More energy from the sun hits the Earth in one hour than is consumed on the planet in a whole year. Caltech chemical engineer Sossina Haile and University of Minnesota mechanical engineer Jane Davidson are working to expand the nation’s renewable energy storage capacity. Their mission is to put the heat of the sun to work creating renewable fuels from sources that don’t need to be drilled out of the ground. Part of the National Science Foundation Series “Science Nation.”
In this episode, host Mo Rocca shows viewers the light bulb that levitates, discusses the petrol pumps that fueled the world, and reveals the best advice from past inventors. He also discusses new technological developments in pet care. Part of "The Henry Ford Innovation Nation With Mo Rocca" series.
Documents efforts to contact and communicate with potential extraterrestrial life and interstellar space. Attempts to answer the question: Are we alone? Looks at the Drake equation, the standard for anyone seeking to find the number of planets with intelligent life in the Milky Way galaxy. Discusses the pioneering research at the Search for Extraterrestrial Intelligence Institute (SETI) based in Mountain View, California.
Every portable electronic device is fueled by chemistry, specifically through oxidation-reduction or redox reactions. In redox reactions, one compound gains electrons (reduction) and one compound loses them (oxidation). Chemists can set up reactions so that electrons are forced to move in a certain way to create an electrical current. Metals often play a key role in redox reactions, which are essential to all aspects of chemistry, particularly in many biochemical processes. Part of the series Chemistry: Challenges And Solutions.
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A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
Biology related concepts
A collection containing 59 resources, curated by Benetech
