Models of the universe’s early days have only been possible with dark matter as a variable, but we still don’t have proof that dark matter exists. But recently, scientists may have found a way to replicate the results without the...

We often see accidentals in music but they have different significance depending on the context. Accidentals might be flagging up a key change, or they might be decorative chromatic notes, or they might be signifying a minor key, or they...

If 11x11=4 and 22x22=16, what is 33x33=? This puzzle has been shared with the claim that only geniuses can solve it. It has gotten millions of views on the internet and Facebook as people have debated the correct answer. In this video I...

Ariane 5 part 4/8: The video explains the importance of the lateral boosters in the Ariane 5 rocket and how they provide the necessary power to overcome Earth's gravity and navigate through the atmosphere. The video also highlights the...

Continuing the Constitution for Dummies Series with the Bill of Rights and Amendment 4. Explained simply so you can understand the Constitution of the United States.

This video is a comprehensive lesson on circle theorems, including an extension on the topic. The presenter covers the key four circle theorems that students should know, including the arrow shape, bow shape, quadrilateral, and...

Watch two soda cans mysteriously move toward one another using nothing but air—and phys

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