Veritasium
Spinning Sphere of Molten Sodium
Earth's magnetic field protects people from solar wind, radiation, and many other potentially catastrophic events. For reasons not yet understood, the magnetic field appears measurably weaker over the course of less than 200 years, a...
Veritasium
Why Are Mosquitoes Attracted to You?!
Small but mighty. Scientists study what makes mosquitoes attracted to people, how to fight mosquitoes, and the inheritability of related genes. As part of a larger science playlist, the video shares personal DNA markers, lab experiments,...
Veritasium
This Particle Breaks Time Symmetry
CPT theory is the basis for much of physics, but what happens when researchers disprove the theory piece by piece? Explore the idea with a video about the Nobel Prize-winning breakthroughs that shifted the entire way scientists...
Veritasium
World's First Car!
When scientists first wanted to study car safety, they didn't use crash test dummies—they were the testers! A short video traces the history of car safety innovations in engines, frames, brakes, and more.
Veritasium
This Toy Can Open Any Garage
Just how secure are those remote devices used to unlock cars and open garage doors? A short video follows two friends as they try to hack the codes using children's toys and sophisticated computer programs.
Veritasium
The Fungus on Your Head
Dinosaurs had dandruff? Check out a short video that follows scientists at a lab as they research the flakey problem that affects more than half the human population and affected many dinosaurs as well. The researchers take scalp...
Veritasium
The Scientific Benefits of Boredom
Can boredom, a time of unstructured thinking, be beneficial? People often use technology to fight off boredom, but should they? Scholars learn how brains react to boredom and the benefits of allowing time to just think. Part of the...
MinutePhysics
The Twins Paradox Hands-On Explanation — Special Relativity Chapter 8
The final video in a series on Special Relativity offers a new hands-on approach to solving the twins paradox developed by Paul Langevin over 100 years ago.
MinutePhysics
Spacetime Intervals: Not EVERYTHING Is Relative — Special Relativity Chapter 7
Special relativity proves that both length and time are relative—but, that's not the complete story. Scholars learn how both length and time have absolute values that don't vary with perspective. The seventh lesson in the eight-part...
MinutePhysics
Relativistic Addition of Velocity — Special Relativity Chapter 6
Scientists know things can't travel faster than light speed, so how do scholars add together numbers close to light speed? The sixth video in the eight-part series on Special Relativity answers these questions and more. the narrator not...
MinutePhysics
Length Contraction and Time Dilation — Special Relativity Chapter 5
Special relativity provides rules for making time both shorter and longer simultaneously—and does the same for distances. This concept seems confusing, but with help from a spacetime globe and mathematical explanation, the concepts...
MinutePhysics
Lorentz Transformations — Special Relativity Chapter 3
Generally, Lorentz transformations require high level math skills, but conceptual understanding can slip just beyond the grasp of many. Using a story and graph about the time and motion of people and cats, viewers of a short video can...
MinutePhysics
Spacetime Diagrams — Special Relativity Chapter 2
The second video in the series on Special Relativity introduces the concept of perspective, relative distance, and graphing spacetime. Simple illustrations create clarity while describing each concept in depth.
MinutePhysics
Why Is Relativity Hard? – Special Relativity Chapter 1
One of the most famous ideas in physics, special relativity, explains the speed of light, the space time continuum, and E=mc^2. Many scholars struggle with the hows and whys of this confusing concept. The first video in a series on...
Nature League
Nature + Engineering
Viewers observe many nature-inspired examples in technology, household items, and health care with the final video in a five-part series on Evolution and Speciation. The video focuses on human engineers inspired by earth's wonders.
Nature League
One Fish, Two Fish, Red Fish, New Fish - De-Natured
Sometimes it seems like high-level journal articles speak a different language. The third video in the five-part series on Evolution and Speciation breaks down one recent article from a science journal. It explains what the researchers...
Nature League
Preserving Montana's State Fish - Field Trip
Many people know in cases with a lot of in-breeding, the species becomes weak and less likely to survive long term. Now learn about how out-breeding also leads to the same result. The second of five videos on Evolution and Speciation...
TED-Ed
The Journey to Pluto, the Farthest World Ever Explored
In 2006, scientists launched a mission to explore Pluto and beyond. In 2015, after a challenge just days before approaching Pluto, New Horizons completed its first objective. The mission continues, and detailed reports are set to begin...
Crash Course
Thermodynamics: Crash Course History of Science #26
Scientists discovered the first law of thermodynamics 25 years after the second law of thermodynamics. The seemingly obvious discoveries sometimes confuse scientists while more complex challenges encourage extra study—and take more time...
Crash Course
Micro-Biology: Crash Course History of Science #24
Robert Koch and his team of scientists identified the germs that cause diphtheria, typhoid, pneumonia, gonorrhea, meningitis, whooping cough, tetanus, plague, leprosy, syphilis, and more—that's some important work! Over a period of 100...
Crash Course
Eugenics and Francis Galton: Crash Course History of Science #23
Viewers l earn about the rise and fall of social Darwinism, eugenics, and flawed science during the 23rd episode of the Crash Course History of Science video series. The video covers if awesomeness is hereditary, the invention of birth...
Crash Course
The Industrial Revolution: Crash Course History of Science #21
The Industrial Revolution changed transportation systems, social systems, and economies. Episode 21 of Crash Course History of Science examines the Industrial Revolution. From the invention and improvements to the steam engine to the...
Howard Hughes Medical Institute
The Fate of Fat
Humans need fat for energy and nutrition, but how much is too much? A short animation shows the pathway of fat as it enters the body, breaks down through digestion, and travels for use or storage. Teaching tips offer multiple ways to...
Howard Hughes Medical Institute
Translation (Advanced Detail)
Who said staying predictable is a bad thing? Translation follows a predictable four-step process. Scholars view a summary of each step with a breakdown of every detail, then examine different functions, highlighted with different colors,...