When One Direction went on The Ellen DeGeneres Show, she got them to play a game called “Never have I ever," in which they have to admit or deny having done certain things. The questions are prying and intrusive, and Ellen is quite happy to see the bandmates squirm in discomfort!

What would happen to you if a black hole the size of a coin suddenly appeared in your pocket? Let's find out!

This "catchy, toe-tapping" song is a sort of love song, while the music video recreates a few movie scenes from the late seventies and eighties, such as Risky Business and Grease. The video also features Priyanka Chopra Jonas.

Joseph’s bullies try to goad him into a playground fight, but Joseph has been through worse in his life, and stands his ground. Things look bleak, and their teacher has lost control of her class. Will Joseph find a way to fit in?

Today is Joseph’s first day at his new school in his new country, Ireland. Things are very different to what he’s known before, and straight away, some of his fellow pupils start to make life difficult for him.

Previously the lead singer of The Libertines, Pete Doherty launched his solo career with this single on his album Grace/Wasteland. In his unique, rambling, and poetic style, he plays with words and meaning to take us back to his adolescence, and what it meant to grow up in England. The "English rose" in question is rumored to be a schoolboy crush, but everything is left open to interpretation.

The philosopher Friedrich Nietzsche questioned the ability of science to explain and give meaning to our world, daring us to think critically not only about religion, but science, and knowledge itself. Learn all about his ideas in this fun video inspired by vintage video games.

Schrodinger’s hypothetical experiment involved putting an unfortunate cat into a box with a Geiger counter and a vial of deadly poison. Until the box was opened, the cat could be said to be alive, or dead… or possibly in both of these states simultaneously.

“Tom Traubert’s Blues” was written by American rocker Tom Waits and tells a story of alcohol abuse. The chorus comes from the famous Australian bush ballad “Waltzing Matilda.” which is itself a tale of vagrancy, hard times, and misadventure. This version is sung by British singer Rod Stewart.

This whaling ballad was written long before the song became a surprise internet sensation. In the Nineteenth Century, the original Weller Brothers (Wellermen) brought supplies to remote whaling communities off the New Zealand coast. The lyrics speak of the voyage of one whaling vessel, the Billy of Tea, whose voyage did not go according to plan. Locked in an endless battle with a whale, they longed for a supply ship to bring them sugar, tea, and rum.

The Graham Norton Show: Among the guests on Graham's sofa are Hollywood star Will Smith and musician Gary Barlow, who together with the audience perform the rap from The Fresh Prince of Bel-Air, the TV show that catapulted Will to stardom.

"Follow Me up to Carlow” is an Irish folk song, celebrating the famous victory of Irish “firebrand” Fiach McHugh O'Byrne and his countrymen, over a much larger force of English troops at the Battle of Glenmalure, which took place in 1580, high in the Wicklow Mountains. Carlow, from the title, was believed to have been an English fortress. Many of these lyrics will be hard to understand at first, even for a native English speaker. So try to follow along as best you can and enjoy the music!

If a hotel with an infinite number of rooms has an infinite number of guests, how could it free up space when new guests arrive? Hilbert's “Grand Hotel” paradox has fascinated mathematicians, physicists, philosophers, and theologians, as it encourages another way of thinking about the notion of infinity.

On the most fundamental level thinkable, what are things? Why are things? And why do things behave the way they do? Here is an introduction to particle physics, with all of the vocabulary you'll need.

Cheryl teaches the iconic choreography from the music video for her song "Promise This," in particular focusing on the moves from the song's chorus.