PBS
Nelson Mandela - 1992 Interview
Nelson Mandela discusses his visit to the United Nations Security Council seeking peacekeepers to quell violence in South Africa. Originally broadcast on the MacNeil/Lehrer News hour on July 15, 1992.
PBS
Critical Yemeni Port City Clings To Fragile Truce
Houthi rebels control the critical Yemeni port of Hodeidah, but they are now encircled by fighters loyal to the country's internationally recognized government. In the ravaged city, fighting between the two sides continued up until a...
Associated Press
FEMA: Texas floods "a landmark event
The director of the US Federal Emergency Management Agency on Monday called on the people of Texas and Louisiana to "be involved" as the states struggle with the devastating impact of Tropical Storm Harvey. Speaking at FEMA's...
PBS
Refugees flee conflict sparked by climate change in central Africa
The climate crisis is now a reality worldwide, but it's nowhere more apparent than the parched landscapes of northern Africa. Thousands are on the move looking for water to grow crops and graze livestock. Special correspondent Willem...
PBS
Monastery invests in craftsmanship by expanding its hand-crafted pipe organ
Pipe organs have a storied history throughout Western civilization, but demand for the king of instruments has seen a steady decline in recent decades. Special correspondent Fred de Sam Lazaro reports on one attempt to change that. It's...
PBS
Foster Families Find & Share Support with Elders at Oregon Housing Community (April 15, 2014)
At a special housing development in Oregon, families who adopt foster children live side by side with seniors who volunteer their time in exchange for affordable rent. The NewsHour's Cat Wise reports on how members of the...
PBS
Outgoing Washington Post Editor Marty Baron Reflects On The State Of American Journalism
This week marks a turning point at one of the nation's premier newspapers.
Washington Post Executive Editor Marty Baron is stepping down on Sunday
after eight years at the Post and more than four decades in the news
business. His...
Bozeman Science
LS1A - Structure and Function
How do the structures of organisms enable life's functions? Benchmarks for grades 2, 5, 8 and 12 are included.
Bozeman Science
The Greenhouse Effect
In this video Paul Andersen explains how the greenhouse effect and greenhouse gases keep our planet warm enough to be habitable. He explains how greenhouse gases keep heat closer to the surface. He finally shows how increases in...
Bozeman Science
PS3C - Relationship Between Energy and Forces
In this video Paul Andersen describes the relationship between energy and forces. When objects are directly touching electromagnetic forces can result in forces and energy exchange. When objects are not directly touching fields;...
Bozeman Science
Bioenergetics
Paul Andersen introduces the concept of bioenergetics. He explains how living organisms utilize free energy in the Universe. He begins with a brief discussion of thermodynamics and Gibbs free energy. He then explains how reactions can be...
Bozeman Science
ETS1B - Developing Possible Solutions
In this video Paul Andersen explains how many possible solutions are developed in the design process. As many solutions to the problem are identified using a brainstorming process. These solutions are compared to the specific constraints...
Bozeman Science
Thinking in Structure and Function: Level 5 - Molecular-Level Structures
In this video Paul Andersen shows conceptual thinking in a mini-lesson on molecular-level structures. TERMS Molecular-level structures - locations of atoms in a molecule Function - an activity or purpose for a thing Properties - any...
Bozeman Science
AP Biology Science Practice 1: Models and Representations
In this video Paul Andersen explains the importance of models and visual representations in an AP Biology class. Science practices are overarching skills and knowledge required to be successful in an AP Biology classroom. Models for each...
MinuteEarth
Why Electroshock Therapy is Back
Shocking the brain has come and gone as a medical treatment, but it’s currently resurging, as it often provides the best form of relief for severe depression and advanced Parkinson’s disease. ___________________________________________...
TED-Ed
TED-Ed: How fast can a vaccine be made?
When a new pathogen emerges, our bodies and healthcare systems are left vulnerable. And when this pathogen causes the outbreak of a pandemic, there’s an urgent need for a vaccine to create widespread immunity with minimal loss of life....
Bozeman Science
Coral Bleaching
In this video Paul Andersen shows how increasing ocean temperatures causes coral polyps to release their symbiotic algae. This process of coral bleaching decreases the availability of energy for the coral and may eventually lead to coral...
Bozeman Science
Wave Amplitude
In this video Paul Andersen explains how the amplitude of a wave is a measure of the energy of the wave. He gives several examples of wave amplitude and shows you how to calculate the wave of a transverse and longitudinal wave.
Bozeman Science
LS1D - Information Processing
In this video Paul Andersen explains how information is processed in in animals. He starts by describing the different forms of information and how they are received by receptors. He explains how information is received by the brain and...
TED Talks
TED: The future of psychedelic-assisted psychotherapy | Rick Doblin
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Could psychedelics help us heal from trauma and mental illnesses? Researcher Rick Doblin has spent the past three...
3Blue1Brown
Cross products | Essence of linear algebra, Chapter 8
The cross product is a way to multiple to vectors in 3d. This video shows how to visualize what it means.
TED-Ed
TED-Ed: Kay Almere Read: The Aztec myth of the unlikeliest sun god
Nanahuatl, weakest of the Aztec gods, sickly and covered in pimples, had been chosen to form a new world. There had already been four worlds, each set in motion by its own "Lord Sun," and each had been destroyed. For a new world to be...
Bozeman Science
Natural Ecosystem Change
In this video Paul Andersen explains how the Earth's climate will natural change due to interactions between the Sun and Earth, volcanism, and plate tectonics. Species may go extinct leading to adaptive radiation or may move to a...