All the stars in a spiral galaxy rotate around a center -- but to astronomers, the speed that each star travels wasn't making sense. Why didn't stars slow down toward the edges as expected? Don Lincoln explains how a mysterious force...

SciShow Space News looks into two recent rocket failures over U.S. soil, exploring possible causes and sizing up the risks of spaceflight since humans first started reaching for the stars.

Astringent plant chemicals called tannins bind proteins on mucous membrane and skin, generating a prickly, puckery mouthfeel from foods and letting us “tan” skins into...

A tiny change in a molecule’s geometry completely changes its effects on the human body.

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Everyone is watching the sky during a solar eclipse, but but if you look down, you'll catch another kind of light show.

There are a lot of stereotypes and stigma surrounding alcohol that prevent both understanding and adequate care, and the spectrum of symptoms that alcohol use disorder can include is a lot more complicated than you might think.

Metaphoric compounds, like the combination of the words wind and eye to represent a window, populated Norse and Old English. Jessica Oreck and Rachael Teel describe how this love of metaphor created the word window.

This video teaches the French stressed pronouns. It is the fifth French grammar lesson for beginners. Learners will be able to use French stressed pronouns presentative (also called disjunctive pronouns or emphatic pronouns) in French....

MOT 1953: NEW YORK: ON SET: Westbrook Van Voorhis introducing West Point Commandant to Cadets, US Army General John Michaelis (1912-1985), Commander 27th Infantry Regiment 'the Wolfhounds' 1950, SOT telling Westbrook about early weeks in...

Variables store information and are objects in Python. For example, if you wanted to keep a set temperature for an egg, you would type egg = 37.5 for °C or egg = 99.5 for °F. The first part tells what the variable will be called, and the...

This video teaches how to introduce your family in French. It is the fourth French communication lesson for beginners. Learners will be able to introduce their family in French. Learners will be able to talk about members of their family...

This video teaches the french family vocabulary. It is the sixth French vocabulary lesson for beginners. Learners will be able to use the family vocabulary in French.

This video teaches how to introduce yourself in French. It is the first French communication lesson for beginners. Learners will be able to interact in a simple dialogue to introduce themself in French by answering or asking questions on...

This video teaches the French articles and prepositions with city and country names. It is the second French grammar lesson for beginners. Learners will be able to use articles and prepositions for countries and cities according to...

This video discusses the potential for criminal liability under the '33 Act, specifically in relation to the Securities and Exchange Commission (SEC) and the Department of Justice. It explains that while the SEC primarily brings civil...

This video explains how to optimize the page objects feature with smart ways of creating objects.
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This clip is from the chapter "Framework Building from Scratch - Real Time Project" of the series "Selenium WebDriver with Java...

This video explores five fun facts about Incas.

👉 Learn how to solve problems with rectangles. A rectangle is a parallelogram with each of the angles a right angle. Some of the properties of rectangles are: each pair of opposite sides are equal, each pair of opposite sides are...

👉 Learn how to label points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A point is...

👉 Learn how to find the corresponding pairs of congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. To determine the corresponding congruent parts of a triangle, we use the congruent...

A new type of sensor developed by researchers could lead to artificial skin that could help burn victims "feel" and help protect workers.

After Brexit the UK will be free to make it's own trade deals and establish it's own new relationships. One new union which has been discussed is the CANZUK model, bringing together the United Kingdom, Canada, Australia and New Zealand....

SchoolOnline's Secondary English videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key skill in English Reading and Writing that students need to master in clear and easy to...

This video teaches the French calendar: days of the week, months of the years and the 4 French seasons in French. Learners will be able to use the vocabulary of the French calendar: days, months and seasons.