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.

After showing us the pizza and ice cream in his freezer, Oliver Tree talks about his Gatorade obsession, and the correct uses for the various colors available. He is most proud of his “Candy Corner” and secret personal stashes in the kitchen. We begin to wonder whether this new diet is doing him much good at all!

There is a lot of talk about how 3D printing could revolutionize the way that we make stuff. But what is 3D printing and how does 3D printing allow us to make almost anything from nothing? Professor Tim Minshall, Head of the Institute for Manufacturing at the University of Cambridge, explains it in this video, which is targeted at school-age students.

Amidst so much bad news, a couple of good things also happened in the United States: COVID-19 vaccine distribution is proceeding and the election results are finally being recognized.

On Valentine's Day, Amy and Sheldon host the first ever live-streamed edition of their show "Fun with Flags." However, they aren't prepared for the fallout when emotional viewers call the show to ask for relationship advice and air their innermost feelings.

Blackbeard’s story almost seems mythological, but it's actually based in truth. This video elaborates on the man Edward Thatch, starting with his origins on the island of Nassau to his reign of terror in the Caribbean.

The God of Thunder, as it just so happens, is perfectly capable of delivering a weather report, if it ever becomes necessary. Chris Hemsworth, known best for his role as Thor in the Marvel Cinematic Universe, recently proved as much when he interrupted a local newscast in Australia. Hemsworth, effectively and efficiently, delivered the news, all with his signature charm.

"Eleonora "Lele" Pons Maronese is a Venezuelan-American Internet celebrity, YouTuber, actress, singer, dancer, model, and former host of the Mexican TV series La Voz. In this short comedic film, she is having a pretty rough first day of college.

Stu finds out that almost everyone at the CDC facility has died from the virus, except for one doctor who has now become very suspicious of him.

Stu has an encounter with Mother Abagail in which she tells him that he is in danger and needs to escape the CDC in Vermont. Meanwhile, it seems that the Dark Man is not just an imagined threat.

While Frannie tries to take care of her ailing father, they listen to people call into a local radio show to talk about the virus. However, exposing the truth has terrible consequences for the host of the show, Rae Flowers.

As the situation in New York becomes increasingly chaotic, Larry goes to his mother's house to find her extremely ill.

Down at the jail, Nick is trying to take care of the guys who are locked up, even though they are mocking him cruelly. The doctor shows up, gives him some bad news, and makes a suggestion that Nick finds surprising.

When reporters who are trying to reveal the truth become victims of a brutal attack, it becomes clear how far the government will go to keep the deadly influenza a secret.