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...

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...

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....

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...

Stéphane Bancel discusses the company’s new Covid-19 boosters, its approach to developing vaccines for emerging variants alongside seasonal flu shots, and the use of mRNA technology to treat cancer.

This was one of the hardest things I have ever had to do as a professional and it ended up looking nothing like what I wanted it to.

The video discusses the historical impact of tariffs on the US automotive industry, highlighting both the benefits and drawbacks. It emphasizes the importance of targeted and carefully planned tariffs to ensure competitiveness and...

Both SAVOIR and CONNAÎTRE mean TO KNOW in French, but when do we know how to use one rather than the other? In this video, Alexa solves this frequently asked French grammar question and outlines the differences between Savoir and...

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.

Learn French With Alexa’s “French Made Easy” series: Alexa takes a look at REFLEXIVE VERBS in French.

This video teaches the demonstative adjectives (ce, cet, cette, ces) in French. Learners will be able to use the French demonstrative adjectives (ce, cet, cette, ces) correctly according to gender and number in French.

This video teaches four basic adverbs of quantity (peu, assez, beaucoup, trop) in French. Learners will be able to use 4 French basic adverbs of quantity: peu (not much or little), assez (enough), beaucoup (a lot), trop (too much).

This video teaches the comparison with plus (more), moins (less), aussi (as ... as) and autant (as much or as many) in French. Learners will be able to use the comparison in French by making sentences with plus, moins, aussi and autant.

Comet ISON (C/2012 S1) may become a dazzling sight as it traverses the inner solar system in late 2013. During the weeks before its Nov. 28 close approach to the sun, the comet will be observable with small telescopes, and...

Sir Linkalot Live ➸ Friday at 5 (August 27th)

Sir Linkalot Live ➸ Friday at 5 (October 8th)

In this math video, we will find the solutions of a quadratic equation.
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We’ll start with a quadratic set equal to zero and explore how to break it down visually so factoring finally mak
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Here’s...

Struggling to understand FAST spoken French? In this video Alexa breaks down the French conversation to help you understand FAST SPOKEN FRENCH!

This lesson DOES not reflect INDIGENOUS PEOPLES in Canada nowadays. Its intention is not to offend anyone, but to give an overall historical characteristic of Indigenous peoples in Canada. Moreover, it is not a history lesson on the...

This video is about the modal verb "should". Used mainly for giving advice, this modal verb can be used in many other ways. The lesson gives the different formulas to make different types of sentences.

This lesson is for...

In this video we look at this question: Comment serait ta maison idéale ? (What would be your ideal house?) (AQA Theme 2 - Local, national, international and global areas of interest, Topic 1 - Home, town, neighbourhood and region)

Howcast - Learn how to do a dumbbell workout with a bosu ball from personal trainer Rachel Shasha in this exercise ball workout video from Howcast.