Be Smart
How Many Species Are There?
How many species are there on Earth? In biology, this is one of a fundamental question that we still don't have a very good answer for. Imagine if chemists didn't know all the elements of the periodic table, or if physicists didn't know...
SciShow
Can We Predict Earthquakes?
Hank talks about why it is so difficult for scientists to predict earthquakes in the short term.
SciShow
Project Daedalus Our 1970s Plan for Interstellar Travel
Many ideas have come and gone, but Project Daedalus was a uniquely ambitious plan from the 1970s that never quite came to be.
SciShow
Could We Give Mars a Magnetic Field?
One way to help us live on Mars would be to terraform the planet. Some scientists think we might be able to do that by giving it a new magnetic field!
TED Talks
TED: The journey across the high wire | Philippe Petit
Even a death-defying magician has to start somewhere. High-wire artist Philippe Petit takes you on an intimate journey from his first card trick at age 6 to his tightrope walk between the Twin Towers.
TED-Ed
TED-Ed: The method that can "prove" almost anything | James A. Smith
In 2011, a group of researchers conducted a study designed to find an impossible result. Their study involved real people, truthfully reported data, and commonplace statistical analyses. So how did they do it? The answer lies in a...
Crash Course
Special Effects: Crash Course Film Production
Chances are, when you hear the phrase "Special Effects," you may have images pop into your mind. The Hulk smashing a city, a lightsaber fight, or maybe an alien world. But effects can be much more subtle and have been around really since...
SciShow
How Many Stars Are There?
How many stars are there in the universe? This question leads Hank to a couple other questions - How many stars can we see from Earth? How many stars are there in our galaxy? - but the answer to the original question proves elusive.
SciShow
The Most Sophisticated Mirror in the Universe
Hank summarizes the five reasons why infrared telescopes were supposed to be impossible to build, and then describes how a team of scientists and engineers overcame those obstacles to build the James Webb Space Telescope.
SciShow
How Do Chips Make Credit Cards More Secure?
If you live in the United States, you might have recently gotten a credit card with a microchip on it. But what does this chip do that makes it any different than the magnetic strip on the back of the card?
TED-Ed
Why every world map is wrong | Kayla Wolf
Fourteen Greenlands could fit in Africa— but you wouldn't guess it from most maps of the world. The fact is, every world map humans have ever made is wrong. Actually, it's impossible to make a flat map of the whole spherical world 100%...
Crash Course
Lab Techniques & Safety: Crash Course Chemistry
Hank takes a break from the desk to bring you to the lab in order to demonstrate some important points about the practical side of chemistry - experimentation in the laboratory. You'll learn what to wear in the lab, how to dispose of...
TED-Ed
TED-ED: Can robots be creative? - Gil Weinberg
People have been grappling with the question of artificial creativity -- alongside the question of artificial intelligence -- for over 170 years. For instance, could we program machines to create high quality original music? And if we...
TED-Ed
TED-Ed: Is the weather actually becoming more extreme? | R. Saravanan
From 2016 to 2019, the world saw record-breaking heat waves, rampant wildfires, and the longest run of category 5 tropical cyclones on record. The number of extreme weather events has been increasing for the last 40 years, and current...
PBS
Could NASA Start the Zombie Apocalypse?
We're just as fascinated as the rest of you with predicting how the ZOMBIE APOCALYPSE will start. One surprisingly real scenario is that it could start in SPACE! Especially given the crazy effects space has on bacteria and viruses, and...
Curated Video
Unlocking the Secrets of Bear Hibernation: Potential Insights for Heart Disease Treatments
Researchers at Washington State University's Grizzly Research Center are studying the hibernation patterns of grizzly bears to uncover the secrets behind their ability to prevent heart damage and muscle loss. By training the bears from...
Curated Video
Landmarks - China's Great Wall
CHINA S GREAT WALL CHINA S GREAT WALL IS ONE OF THE FEW MAN MADE OBJECTS THAT CAN BE SEEN FROM SPACE. IT STRETCHES ACROSS MORE THAN 6,400 KM OF WINDING LANDSCAPE, AND DURING ITS 2,000-YEAR HISTORY, THE WALL HAS SURVIVED THREATS FROM...
Curated Video
Top 10 Ways to Inspire Your Stakeholders and Team
Whether you are leading a project team, engaging your stakeholders, or building your reputation, finding ways to inspire the people around you will raise your profile and boost your charisma. Here are my top 10 ways to inspire your...
Curated Video
It'll Never Fly: Beat Confirmation Bias
It'll Never Fly' How often have you heard words like that at the start of your project? Or maybe you've heard yourself saying them. If so, you're in danger of 'Confirmation Bias'. If you've ever said 'it'll never fly', you're in good...
Curated Video
Absolute zero
The lowest temperature theoretically possible, at which particles would stop vibrating. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Can Monkeys Write Shakespeare?
The Infinite Monkey Theorem states that a monkey hitting a keyboard an infinite number of times will, at some point, end up typing the works of Shakespeare. Find out how to calculate the probability of independent events, and how many...
Curated Video
Escher and the Endless Staircase
See how perspective is used in graphic art to confuse the mind of the audience, and what happened when the artworld discovered they could draw shapes that could not exist in real life. Maths - Space A Twig Math Film. Reinforce and extend...
Curated Video
The Seven Bridges of Konigsberg
An early precursor to topology, this problem asks, 'is it possible to cross each of the town's bridges exactly once?' and led to the development of Eulerian paths. Maths - Shape A Twig Math Film. Reinforce and extend the learning...
Curated Video
Volume: Counting Stars
How many stars are there in the Universe? Astronomers calculate it the same way they would grains of sand on a beach... using volume. Maths - Measurement A Twig Math Film. Reinforce and extend the learning required by the curriculum....