In this video Paul Andersen shows you how to asking questions in a mini-lesson on experimental questions. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

Physics progresses by breaking our intuitions, but we’re now at a point where further progress may require us to do away with the most intuitive and seemingly fundamental concepts of all—space and time.

Fifteen years ago, Uruguay was experiencing an energy crisis brought on by its reliance on fossil fuels; today, the nation produces 98 percent of its electricity from renewable sources (and even exports extra energy to neighboring...

The Higgs Boson. What more need be said?

The Internet connects billions of people and machines; it's the backbone of modern life. But tech pioneer Danny Hillis thinks the Internet just wasn't designed to grow this big -- and he fears that one big cyber-attack or glitch could...

Break down the oil slick, keep it off the shores: that's grounds for pumping toxic dispersant into the Gulf, say clean-up overseers. Susan Shaw shows evidence it's sparing some beaches only at devastating cost to the health of the deep sea.

Explore the nature of science with The Amoeba Sisters. This video discusses why there is not just one universal scientific method as well as the importance of credible sources when researching. Vocab in experimental design including...

This chair is my legs -- this chair is my life, says accessibility champion Jane Velkovski, who uses a wheelchair after being diagnosed with Spinal Muscular Atrophy (SMA). With clarity and poise, he shares how his first motorized...

This week Craig Benzine breaks down the different types of bureaucracies. I mean sure, they’re all part of the executive branch, but some work more directly with the president than others. Some bureaucracies exist solely to independently...

Imagine a game played with two players and two dice: if the biggest number rolled is one, two, three, or four, player 1 wins. If the biggest number rolled is five or six, player 2 wins. Who has the best probability of winning the game?...

Today we're going to talk about Chi-Square Tests - which allow us to measure differences in strictly categorical data like hair color, dog breed, or academic degree. We'll cover the three main Chi-Square tests: goodness of fit test, test...

Do you need some help? It's OK to ask, says YeYoon Kim, a former kindergarten teacher who learned from her students how powerful and courageous it can be to reach out for support. Sharing the story of one of the most difficult periods in...

Inside our cells, each of us has a second set of genes completely separate from our 23 pairs of chromosomes. And this isn't just true for humans— it's true of every animal, plant, and fungus on Earth. This second genome belongs to our...

How can technology help improve our quality of life? How can we navigate the world without using the sense of vision? Inventor and IBM Fellow Chieko Asakawa, who's been blind since the age of fourteen, is working on answering these...

A short explanation of why Bayes' theorem is true, together with discussion on a common misconception in probability

In this video Paul Andersen explains how gases differ from the other phases of matter. An ideal gas is a model that allows scientists to predict the movement of gas under varying pressure, temperature and volume. A description of both...

New Review‘We will suffocate’: Life behind Iran’s blackout as rare testimonies revealedMixed

Birmingham MP deems calls for police chief behind Maccabi Tel Aviv fans ban to step down a ‘witch hunt’Credit: Parliament TV

Will Arnett tries out his jokes on The Independent as he plays a stand up comedian in Is This Thing On?Credit: The Independent

This video will look at the most important probability distribution applicable in real life, the binomial distribution and the binomial coefficient.

In this lesson, we will look at the multiplication rule, which also enables us to calculate the combination of events and the combination of both events.

A video entitled "Independent Events" which shows how to tell is two events are dependent or independent.

This World Cultures instructional video discusses a brief history of Ireland.

Howcast - Learn what social and emotional milestones a child should reach by age 2 from Watch Me Grow founder Shirael Pollack in this Howcast video.