Difficulty: Adv-Intermediate
United Kingdom
What would happen to you if a black hole the size of a coin suddenly appeared in your pocket? Let's find out!
Difficulty: Adv-Intermediate
United Kingdom
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.
Difficulty: Adv-Intermediate
United Kingdom
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.
Difficulty: Adv-Intermediate
United Kingdom
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.
Difficulty: Adv-Intermediate
United Kingdom
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.
Difficulty: Intermediate
USA
After a seven-month journey, NASA’s Perseverance Rover successfully touched down on Mars on February 18, 2021. In this video, mission controllers at NASA's Jet Propulsion Laboratory in California celebrate landing NASA's fifth rover on Mars.
Difficulty: Intermediate
USA
John Searle's thought experiment, called "The Chinese Room," presents an argument against the idea that computers could ever be truly intelligent.
Difficulty: Newbie
USA
Let Sigrid tell you about the solar system that resolves around the Sun, including the order and characteristics of the planets within it. What is the closest planet to the Sun? What are the smallest and largest planets?
Difficulty: Intermediate
United Kingdom
The more you think about it, the more complex time travel seems! This video explains a key paradox that is one of the main reasons for this.
Difficulty: Adv-Intermediate
United Kingdom
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.
Difficulty: Intermediate
Australia, United Kingdom
You might have thought that “rock, paper, scissors” was a game of sheer chance, but scientists have shown that people play with a “predictable irrationality,” and that there are strategies that can help you to win.
Difficulty: Intermediate
United Kingdom
How can one brother travel into space and return younger than his twin? In just sixty seconds, a startling side effect of Einstein’s Theory of Relativity is explained to us.
Difficulty: Intermediate
USA
Allergist Jonathan Bayuk, MD, ACAAI member, discusses the importance of deep breathing and getting up and moving if you have a respiratory infection like COVID-19.
Difficulty: Adv-Intermediate
United Kingdom
By following honeyguides, a species of bird, people in Africa are able to locate bees’ nests to harvest honey. Research now reveals that humans use special calls to solicit the help of honeyguides and that honeyguides actively recruit appropriate human partners. This relationship is a rare example of cooperation between humans and free-living animals.
Difficulty: Intermediate
USA
The Ocean Cleanup is a Netherlands-based, non-government environmental engineering organization that develops technology to extract plastic pollution from the oceans. They have developed a "passive" cleanup system that takes advantage of the natural oceanic forces of wind, water, and currents.
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