Curated Video
Solving Inequalities with Negative Coefficients
In this video, mathematicians learn how to solve inequalities in one variable with negative coefficients. The lesson teaches how to rewrite the inequality to result in a positive coefficient, making it easier to work with.
Guinness World Records
John Walker: From Paralympic Champion to Balloon Bursting World Record Holder
This video showcases the incredible journey of Archer John Walker, who went from watching the Paralympics on TV to becoming a Paralympic champion himself. It highlights his achievements and then focuses on his attempt to break the world...
Professor Dave Explains
Scalars, Vectors, and Vector Operations
What are all these funny little arrows? They're vectors! And we will use them to represent every single force we discuss in physics, so we need to know how to draw them, add them, subtract them, split them up into X and Y components, the...
Curated Video
Solving Inequalities with One Variable by Graphing on a Number Line
In this video, mathematicians learn how to solve inequalities with one variable by graphing on a number line. The video explains the concept of inequalities and how to express them using symbols. It also demonstrate how to solve simple...
Weatherthings
Condiciones del Tiempo y Estaciones: frio en el invierno, nieve
Una nina y su abuelo pasaron una tarde de verano sentados cerca de un lago. Comienzan hablando del calor que hace durante dias de verano, pero terminan hablando de que el lago se enfria y se congela durante el invierno. El abuelo le...
History Squad
A Medieval Surgeon
A gorey portrayal of the surgery performed on Prince Henry, after being shot by an arrow in the face during the Battle of Shrewsbury in 1403. The film illustrates links between surgery in Ancient Rome and the Middle Ages and includes...
Visual Learning Systems
Food Chains: Food Chains
It is fascinating to explore the energy relationships between living things. This exciting video investigates the process of living things producing energy, consuming it, and breaking it down. Food chains and food webs visually...
Curated Video
Analyzing Solution Restrictions on a Graph
In this video, the teacher explains how the solutions to an equation can be restricted by looking at the graph. They provide examples of graphs with infinite solutions, graphs with restrictions on the domain, and graphs with both...
Curated Video
Identify Polynomial Extrema
In this lesson, students will learn how to identify extreme values by analyzing graphs. They will be taught to find the domain and range of a graph and understand the concept of relative and absolute maximum and minimum points. They will...
60 Second Histories
Medieval arrowheads
A medieval archers explains the many types of arrowheads and their uses such as the broadhead with its barbs and the incendiary or fire arrow
Professor Dave Explains
Balancing Chemical Equations
Atoms don't just appear and disappear into thin air, you silly goose. What are you, a magician? When we have a chemical equation we will have to balance it. Here's how to do it!
Curated Video
Describing Relations and Functions: Analyzing Visual and Verbal Representations
In this lesson, students will learn how to analyze visual and verbal representations to describe relations and functions. They will explore how two sets of data or variables are related to each other and how to identify the domain and...
Mazz Media
Integers
This video uses real world examples to define and describe integers. Students will learn that an integer is any whole number can be positive, negative or zero. Viewers will come to understand that integers have important properties that...
Curated Video
Crossbow attacker shot dead, wounds police officer guarding Israel's embassy in Serbia
A crossbow attacker was shot dead after wounding an officer guarding Israel's embassy in Serbia. The attacker was identified as a 25-year-old Serb. (Scripps News)
Bridgeman Arts
1970s: Advertisement of historical North Carolina exhibit
1970s: Advertisement of historical North Carolina exhibit. Group of students walk past row of buses. N.C. State Capitol.
Getty Images
Three-dimensional arrows show growth and losses.
Three-dimensional arrows show growth and losses.
Getty Images
Federal Reserve districts identified on ten dollar bill
/ CU of federal seal on a bank note / pointer used to indicate ledger at top of ten dollar bill / pointer used to indicate regional bank seal on ten dollar bill / CU Boston Federal Reserve seal on note / arrows appear on ten dollar bill...
Hearst Metrotone News
The Seal of the President of the United States features an eagle bearing symbols of the nation.
The Seal of the President of the United States features an eagle bearing symbols of the nation.
Getty Images
A coliseum crowd cheers for an archer during a reenactment of a Roman blood spectacle.
A coliseum crowd cheers for an archer during a reenactment of a Roman blood spectacle.
Getty Images
An archer shoots an arrow into a coliseum near spectators during a Roman blood spectacle reenactment.
An archer shoots an arrow into a coliseum near spectators during a Roman blood spectacle reenactment.
Getty Images
EVENT CAPSULE CHYRON at House of Flying Arrows Exclusive Screening
EVENT CAPSULE CHYRON at House of Flying Arrows Exclusive Screening on October 17, 2016 in London, United Kingdom.
Getty Images
EVENT CAPSULE CLEAN at House of Flying Arrows Exclusive Screening
EVENT CAPSULE CLEAN at House of Flying Arrows Exclusive Screening on October 17, 2016 in London, United Kingdom.
Bridgeman Arts
Animated 19th century thaumatrope with skeleton and jester
Thaumatrope from the 1830s, animated to create an illusion of motion.