Honeycomb. Strawberries. Flower pods. Some people find these things incredibly scary. We call this extreme fear trypophobia. But why does it exist?

This video is about a better way to understand Penrose tilings (the famous tilings invented by Roger Penrose that never repeat themselves but still have some kind of order/pattern).

We all experience it: that desire to do something wrong just for the sake of it. Whether it's walking on manicured grass or sticking your finger in a friend's ice cream, psychologist Paul Bloom invites us to see the clever, creative and...

How one of the introductory ideas in a field called "measure theory" can be thought of in terms of musical harnomy and dissonance.

Certain cognitive biases cause humans to make unsafe decisions in a pandemic, making a terrible disease even worse.

Can you produce a rational number by exchanging infinitely many digits of pi and e?

FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started:

- Disgust: A feeling of revulsion at something unple
asant
- Emotion:...

Why do people buy the stuff they buy? In classical economics, most models assume that consumers behave rationally. As you've probably noticed in your real life, in case after case, people don't actually make rational decisions. There can...

In this shorts video we will learn how to estimate a square root using a number line. We will first rewrite each integer value on the number line with its equivalent perfect square. We will identify which two perfect squares the...

Is the square root of a number rational or irrational? In this 8th grade math lesson, we’ll break it down step by step!

👉 First, we’ll define rational and irrational numbers in simple te
rms.
👉 Next, we’ll explore square...

A video entitled "Decimal Expansions" that covers how decimal numbers can be converted to fractional form.

A video entitled "Estimate Approximations" that covers the process of approximating square root terms without the use of a calculator.

Giant video display boards, human sized cartoon characters, subway stations, police on horseback, the Naked Cowboy, 42nd Street, massive New Year’s Eve celebrations… there’s only one Times Square. All this and...

Giant video display boards, human sized cartoon characters, police on horseback, the Naked Cowboy, 42nd Street, massive New Year’s Eve celebrations… there’s only one Times Square. All this and being in the heart of New York City...

Pupil outcome: I can explain and explore the key events in Chapter 5 of 'Lord of the Flies'. Key learning points: - Chapter 5 shows the boys becoming increasingly angry and divided. - Ralph attempts to assert his authority, but Jack...

Pupil outcome: I can analyse how Wordsworth portrays his younger playfulness in contrast with the sheer power of nature. Key learning points: - Wordsworth conveys a sense of childlike innocence and naivety in his poem by portraying his...

Pupil outcome: I can confidently plan a cohesive argument analysing Edgar Allan Poe’s ‘The Tell-Tale Heart’. Key learning points: - Poe shows us how guilt drives the narrator further into insanity and delusion. - Single paragraph...

Explore 15 powerful C1-level words that all start with the prefixes il-, ir-, and in-.

Debórah Dwork is the director of the Center for the Study of the Holocaust, Genocide, and Crimes Against Humanity at The Graduate Center, CUNY, and an author. Her latest book, Saints and Liars, explores the stories of Americans who...

Pi (π) is a fascinating number with many applications in mathematics, physics, and engineering. Its infinite decimal representation is a reminder of its fundamental nature in the universe. Mathematician Johann Lambert proved that pi is...

Watch one champion try to recite Pi to as many digits as he can; and discover what Pi is and why it is useful. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show...

Archimedes' mathematical ability was central to his work as a great engineer. Discover how he came up with the most accurate approximation of Pi in ancient times, by bounding a circle within 96-sided polygons. Maths - History Of Maths A...

How the Golden Ratio was discovered and used through time, from architecture to art to music. Maths - Measurement A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts...

Beside the now-famous theorem which bears his name, discover the bizarre life of Pythagoras and his Brotherhood, in which maths was the language of the Gods and irrational numbers were heretical. Maths - History Of Maths A Twig Math...