Epidemic curves are a visual representation of the onset of cases in an outbreak. In this video Dr Greg Martin explains how to interpret and epidemic curve for point source outbreaks, common source outbreaks and propagated outbreaks....

Jim is 2 years old. And His brother John is 5 times older than Jim. While their father is 4 times older than John. What are the ages of John and his father?

Acadia Always: The Story of Acadia National Park is the official park movie. It was shown at Hulls Cove Visitor Center until renovations were done to the building in 2019.

In this video, Jabzy brings us historical tidbits and unknown facts about the Rise of the Ottomans

In this video, the teacher explains the importance of using units to determine the correctness of answers in problem-solving. Students are shown examples of incorrect and correct approaches to problems, highlighting the role of units in...

👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...

Draw a scaled pictograph to represent data with several categories.

In this video, the teacher explains how researchers use the margin of error to interpret data. They discuss the properties of the normal distribution and provide formulas to calculate the margin of error for different scenarios.

John Evans, the general secretary for the Trade Union Advisory Committee to the OECD, says that the many imbalances which have come to light in the recent financial crisis are not accidents; they are in fact failures of the old...

In this video, Jabzy brings us historical tidbits and unknown facts about Welsh Indians

MOT 1951: U.S. FOREIGN POLICY DEBATE: CU Newspaper 'Clarifying Issues' CU Door 'Mr. Wherry Nebraska.' REPRISAL: VS Senators Kenneth Wherry (1892-1951) on couch talking w/ John Bricker (1893-1986 Ohio) '...destroy war potential of...

Object Oriented JavaScript - ES5 & ES2015: Built In Constructors
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This clip is from the chapter "Object Oriented JavaScript - ES5 & ES2015" of the series "Modern JavaScript from the Beginning".In this section, you will learn...

In this video, Jabzy brings us historical tidbits and unknown facts about the May Revolution

The monastery was built to thank the Virgin Mary for the Portuguese victory over the Castilians in the battle of Aljubarrota in 1385, fulfilling a promise of King John I of Portugal. The battle put an end to the 1383-85 Crisis. Work...

In this video, Jabzy brings us historical tidbits and unknown facts about the Peasants Revolt

Why do Americans spend every 4th of July blowing stuff up? What does that have to do with celebrating their independence from Britain and the birth of their country? Not a whole lot, but it's something that they've always done.

American democracy has a lineage of written records that we can trace to show the development of our nation, and how each document builds on those before it to make our foundation of freedom stronger. In this video we look at the...

This video discusses John Locke's ideas on education and parenting, which were influential in shaping modern society. Locke believed in the importance of freedom of thought, natural rights, and nurturing children's physical and mental...

What is known of this religion in China? What motivated Christian rulers in the west to send missionaries to China and why? The Silk Roads: Ideas and Religion, Part 5

Geologist John Goodge looks for clues about Antarctica's past in the two percent of the continent that is not covered in ice! The University of Minnesota, Duluth professor studies rocks that help provide evidence about how this desolate...

SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...

MOT 1936: COAL MINERS: Miners walking donkeys. Coal miners on cart going into mine. Dirty coal miners walking away walking up stairs. United Mine Workers of America door. John L. Lewis in office.

Corn is a pretty amazing grain, and its genomes tell a fascinating tale about what makes this plant grow. Secrets of Plant Genomes: Revealed! takes viewers on a lively, upbeat journey that explores how these plants got to be the way...

The story of Barbara Johns and her fellow students fight for school integration resulting in the successful case - Brown v. Board of Education.