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Drey, a young African American student, faces a hard choice about resuming his drug use. In a strange encounter, he finds himself back in time with renowned scientist George Washington Carver, who also faces a difficult choice. Doing what is right, no matter the cost, is an important lesson for both Carver and Drey. Quiz after the video credits.
(Source: DCMP)
What is an atom? It is the smallest particle of an element, and everything is made up of atoms. They consist of three basic particles: protons, electrons, and neutrons. The scientific community has experienced significant breakthroughs which have contributed to the understanding of atoms. Other topics covered include atomic number, atomic mass, Bohr model, electron cloud, and isotope.
Firefighters risk their lives every time they run into a burning building. But, new technology may soon be watching their backs, no matter how far they venture into the flames and smoke. With support from the National Science Foundation, TRX systems is developing a new sensor system that can track firefighters where GPS units often fail.
Contains 8 segments: "Matter and Energy for Life," "Ecosystems," "Populations," "Homeostasis: The Body in Balance," "Inheritance," "Behavior and the Nervous System," "Biodiversity," and "The Biosphere." Students have opportunities to become involved in hands-on activities. Supports the learning of key concepts in biology in tandem with the textbook also offered by the publisher.
Experts Eli Green, Jaymie Campbell, and Alessia Palanti define pertinent terms like cisgender, transgender, gender identity, gender expression, and pronouns. Viewers learn about gender norms and stereotypes that affect all people, no matter how they identify on the gender spectrum. Teens describe their personal experiences with gender and explain the critical importance of allies in their lives.
Some things die and decay and others don't. A walk in the park teaches that leaves, logs, and animals are examples of things that decay or rot. An elementary class buries apple, potato, and banana skins, bread, a plastic tray, and an aluminum can. They learn what decays and what will not. Some things that don't decay can be recycled; those that do, enrich the earth.
The word "theory" is used differently in casual, everyday life than when discussing scientific matters. This episode discusses scientific theory and law. Part of "The Amoeba Sisters" series.
This program discusses the concept of the expanding universe. Calculations by astrophysicists show that the cosmos seems to be speeding up. The 50-billion galaxies thought to comprise our universe are rapidly moving farther apart. Scientists are working to understand the nature of space and the purpose of dark energy and dark matter related to the expanding universe.
Part of the "Chemistry in Action" series. Describes and illustrates the process of chemical bonding through live action footage and animations. Provides an overview of the role atomic structure plays in the process of bonding. Provides examples of how chemical bonding, including ionic bonds, covalent bonds, and metallic bonds, affects the characteristics of matter. Introduces the following terminology: element, atomic structure, energy level, valence electrons, ionic bonds, crystal lattice, covalent bond, and metallic bond.
Residents of Flint, Michigan describe their personal struggles with medical issues which arose from contaminated water. Lead from aging lines leached into the local water supply, along with bacteria and other contaminants, creating a serious health crisis. This documentary highlights the stories of residents who were personally injured, along with the work of local organizations and individuals that rallied to support them.
The Standard Deviants start off with the concept of heat transfer. Students learn how much energy it takes to raise the temperature of a substance. This episode also discusses how matter changes state. Part of the "Standard Deviants School: Physics" series.
Humans have always been intrigued by the idea of flight. Experiments with Hot Air Balloons led to a pig and duck being the first air travel passengers. From there, the Wright Brothers created the first airplane, and aviation was off to the races. From the jet engine and military aircraft to passenger planes, worldwide travel is now a matter of hours rather than days or weeks.
Who are the biggest super stars in the universe? For Adam Burrows, an astrophysics professor at Princeton University, it's not who, but "what," and they are far from Hollywood, or even Earth, for that matter. Burrows reveals that the biggest super stars are the stars that die in a massive explosion called a "supernova." With support from the National Science Foundation, Burrows investigates supernovae, and he has recently created 3D computer simulations showing the actual moment of a star's death. His simulations are revealing more about these stellar performances.
For more than a decade—in the most inhospitable place on Earth-- scientists have been building an observatory to search for a “ghost.” The IceCube Neutrino Observatory is a massive telescope embedded in the Antarctic ice near the South Pole. Its aim: to search for elusive subatomic particles called neutrinos that have made their way to earth from distant cosmic events like supernovas and black holes. Neutrino research is pushing the astrophysics envelope, and should provide answers to key questions about dark energy and dark matter.
Using light as a probe, scientists found innovative ways to make inferences about the inner structure of the atom. In this unit, scientists discuss the change from believing the atom was a single indivisible particle to later understanding the atom is composed of subatomic parts. This new picture of matter lead to the development of the quantum model of the atom, as well as ways to identify traces of chemical elements, whether on earth, in the sun, or in a distant galaxy. Part of the series Chemistry: Challenges And Solutions.
Imagine having the ability to manipulate light waves in order to see through a skull right into the brain, or being able to use lasers to diagnose a bacterial infection in a matter of minutes. At the Center for Biophotonic Sensors and Systems (CBSS) at Boston University, technologies enabling these abilities and many others are coming to light. With support from the National Science Foundation (NSF), mechanical engineer Thomas Bifano and his colleagues are developing optical microscopes that can image deep into biological tissue, helping scientists observe molecular-scale activity. Their goal is to revolutionize the diagnosis and treatment of disease. Part of the National Science Foundation Series “Science Nation.”
As scientists delved deep into the atom, into the very heart of matter, they unraveled nature's most shocking secrets. They had to abandon everything they believed in and create a whole new science, which today underpins the whole of physics, chemistry, biology, and maybe even life itself. Tells a story of great geniuses, like Albert Einstein and Werner Heisenberg who were driven by their thirst for knowledge and glory. It's a story of false starts and conflicts, ambition, and revelation, a story which leads us through some of the most exciting and exhilarating ideas ever conceived of by the human race.
Mobile computing is accelerating beyond the smartphone era. Today, people wear smart glasses, smart watches, and fitness devices, and they carry smartphones, tablets, and laptops. In a decade, the very same people are likely to wear or carry tens of wireless devices and interact with the Internet and computing infrastructure in markedly different ways. Computer scientist Xia Zhou is working to make sure there are no traffic jams with the increased demand. With support from the National Science Foundation, Zhou and her team at Dartmouth College are developing ways to encode and transmit all that data faster and more securely. Part of the "Science Nation" series.
Timeblazers Sam and Jen meet some geniuses of the past, including Nicholas Copernicus, the first to map out the Solar System; William Shakespeare and his magnificent Globe Theatre; Benjamin Franklin, a great inventor, printer, and philosopher; Thomas Edison, who invented the first practical incandescent light bulb; Eratosthenes, who used a stick to figure out the size of the earth and that the planet was round; Plato, a great philosopher and thinker; Jean-Francois Champollion, who unlocked the mystery of the Rosetta Stone; Magellan, who was the first to sail around the world; and the "Renaissance Man," Leonardo da Vinci.
Microorganisms affect everyone. Some are helpful, while others are harmful. Explores pathogenic microorganisms that can cause diseases like sore throats, influenza, tuberculosis, and HIV; decomposer microorganisms that decay rotting plant and animal matter, returning important nutrients back into the soil; and microorganisms that are also being used in the fuel industry to develop new nonpetroleum based products. Overviews food spoilage microorganisms such as mold that can ruin stored food. Explains other bacteria and yeasts are vital to the production of food and drinks like yogurt and bread, along with beer and wine. Examines where they come from and some examples of positive uses relating to many foods we eat.
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A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
