You and your team have crash-landed on an ancient planet. Can you appease the three alien overlords who rule it and get your team safely home? Created by logician Raymond Smullyan, and popularized by his colleague George Boolos, this...

Euclid of Alexandria revolutionized the way that mathematics is written, presented or thought about, and introduced the concept of mathematical proofs. Discover what it takes to move from a loose theory or idea to a universally...

We're going to finish up our discussion of p-values by taking a closer look at how they can get it wrong, and what we can do to minimize those errors. We'll discuss Type 1 (when we think we've detected an effect, but there actually isn't...

On today’s episode...CATS. Also: Hank talks about some philosophy stuff, like a few of the key concepts philosophers use when discussing belief and knowledge, such as what defines an assertion and a proposition, and that belief is a kind...

We love the internet! It's a wealth of information where we can learn about just about anything, but it's also kind of a pit of information that can be false or misleading. So, we're partnering with Mediawise and the Stanford History...

Before we dive into the big questions of philosophy, you need to know how to argue properly. We’ll start with an overview of philosophical reasoning and breakdown of how deductive arguments work (and sometimes don’t work).

Today we're going to talk about p-hacking (also called data dredging or data fishing). P-hacking is when data is analyzed to find patterns that produce statistically significant results, even if there really isn't an underlying effect,...

Consider the following sentence: "This statement is false." Is that true? If so, that would make the statement false. But if it's false, then the statement is true. This sentence creates an unsolvable paradox; if it's not true and it's...

In this short math video we will understand place value & rounding rules. We are asked to round to the nearest ten thousand. We will review rounding rules and understand that we look at the digit to the right of the place value we are...

In this video, you will learn how to create a database.

The many lies and truths told by Donald Trump and Hillary Clinton in the first 2016 U.S. presidential debate.

The term, “Mandela effect” was coined in 2009 by Fiona Broome, a “paranormal consultant.” She published a website where she described remembering Nelson Mandela, who had been an imprisoned leader of the...

What Do You Know About Vitamins?

What Really Causes Sleep Loss?

High blood pressure or hypertension can affect anyone...and what you don't know about it really can hurt you. Take our Everwell Challenge and see how you measure up.

Okay, let's get sta
rted:
1. True or false. The main...

Howcast - Learn if you're ready for basic training with the quiz in this US army basic training video from Howcast with Sergeant Michael Volkin.

Howcast - Learn if you can practice Wicca without being initiated from Wiccan High Priestess Phyllis Curott in this Howcast video.

Howcast - Has someone made written a false statement about you that has caused you harm? Gather the facts and learn how to argue something is libelous.

Howcast - Would you kindly check out part 7 of our walkthrough for BioShock Infinite, the new first person shooter by Irrational Games?

WWE is about to make history in Wales, with the first UK stadium show since SummerSlam 1992 taking place on Saturday night (3 September).A roster stacked full of superstar talent has already arrived in Cardiff, where British hero Drew...

Pupil outcome: I can render a 3D sketch to show the light source and effect. Key learning points: - Adding tone with shading to a drawing can enhance the 3D effect. - Adding shadow to 3D drawings can enhance the effect.

Pupil outcome: I can read the opening of 'The Owl Who Was Afraid of the Dark'. Key learning points: - Fiction is a story which is made up or imagined. - The opening of a story introduces the characters and the setting. - Plop is a baby...

What is a conditional statement, and how (from that conditional statement) do you create a converse, inverse, and contrapositive?

Learn about the different Data Types in Python