SciShow
Great Minds: James Hutton, Founder of Geology
Don't get sedimental when you learn the history of geology. The video focuses on James Hutton who, in the 1700s, came up with a theory based on rock layers. Without using any modern dating tools, he was able to theorize the earth was...
Be Smart
How Many Smells Can You Smell?
Do you know what doesn't stink? This resource! The video explains how people can smell, when they start smelling, and the changing idea of how many different smells individuals can identify. It introduces the concept of olfactory...
Be Smart
The Science of Marathon Running
The science of marathon running is the subject of a resource that begins with the history of the marathon and why it is 26.2 miles long, and then goes into the biology in our bodies and the way our muscles, bones, and other physical...
Be Smart
The Strange Science of the Placebo Effect
Scholars see how doctors first used placebos to help soldiers during WWII with pain. Viewers then see what placebos are and how effective they can be. The narrator reminds viewers that while placebos cannot cure everything,...
Be Smart
Why Do We Have To Sleep?
Humans are the only mammals who delay sleep. Viewers learn this and other interesting facts in a video that explores sleep in humans. The narrator also discusses how lights affect our sleep, the importance of sleep, and how...
Be Smart
Rise of the Superbugs
The narrator of a short video shows learners the history of antibiotics with the use of penicillin. Viewers then see how bacteria are becoming resistant to antibiotics and what that means for our future health and for the...
Be Smart
Where Do Birds Go In Winter?
The poet Homer believed that birds went to battle tribes of goat-riding dwarfs during the winter. As the video explains, this myth and many others that seem crazy to us now, wasn't questioned for many years. The reality isn't quite as...
Be Smart
Why I'm Scared of Spiders
Eighty-four percent of people have an irrational fear. This video focuses on a fear of spiders. It explains the different types of fear, the conditioning that creates fear, and the evolutionary advantage to these fears. It doesn't just...
PBS
When Pi is Not 3.14
Isn't pi supposed to be constant? An intriguing video shows how the value of pi can change when the definition of distance varies. It explains how using various L^p metrics, where p = 2 represents the traditional Euclidean metric,...
PBS
Can We Hear Shapes?
What do shapes sound like? Scholars learn about the frequencies of pure tones created by vibrations of shapes. The video first considers the case of string, then moves on to two dimensions. It touches upon Fourier series and a question...
PBS
Can You Solve the Poison Wine Challenge?
A video posits the question of how to identify the one poisoned bottle of wine from 1,000 bottles by getting 10 rats to drink the wine. Hint: Binary numbers become very useful in this situation.
PBS
A Hierarchy of Infinities
What's larger than infinity? Infinity plus one! Scholars learn about the different levels of infinity in the video that uses bijections as a way to show infinite sets as being the same size. They also and see that the set of real...
PBS
How Many Humans Have the Same Number of Body Hairs?
Is there a person on Earth who has the same exact number of body hairs as you? The video describes a process using the Pigeonhole Principle to prove that this is definitely possible. The film goes on to consider other examples and...
PBS
Are Prime Numbers Made Up?
Is math real? Scholars first learn about the Goldbach conjecture and prime numbers as an introduction to the philosophical idea of whether numbers actually exist. The video continues on to use an example of a circle to consider math from...
PBS
A Breakthrough in Higher Dimensional Spheres
How would you stack oranges in eight dimensions? The interesting video first describes hyperspheres as spheres in higher dimensions. It then provides some thought experiments to provide ways to think about hyperspheres and sphere packing.
Crash Course
Early Computing: Crash Course Computer Science #1
A generation brought up with computers probably can't imagine a world without them. The first video in the series explains advances in early computing. From the abacus to tabulating machines, individuals see how computations were made...
MinutePhysics
How to Simulate the Universe on Your Laptop
Ever grow tired of the traditional uses for laptops? Try this fascinating simulated universe! The video shows a 3-D version of the Millennium Run, then backs it up with a simpler version created in free Adobe software. Young physicists...
Crash Course
Instructions and Programs: Crash Course Computer Science #8
Scholars receive instruction on writing instructions as they learn how to develop computer programs in the eighth video of the series. Animations show how computers carry out these instructions and programs.
Crash Course
The Gravity of the Situation
Gravity impacts the way you throw a ball and the way the Haumea travels around the sun. The video introduces gravity as a force. It describes the various types of orbits, escape velocity, and weightless mass.
Crash Course
The Moon
A large amount of ice exists on the moon making colonization that much easier. The video discusses the creation of the moon and the materials and features on it. It also discusses the reasoning behind our moon being just one of...
Crash Course
Moon Phases
The moon is up at night the same amount of time it is up during the day. The video discusses why the moon has phases, how even ancient people knew it was a sphere, and each moon phase. It focuses on each moon phase individually, not only...
Crash Course
Naked Eye Observations
For thousands of years, humans observed the night sky without the help of a telescope. The video explains the many amazing discoveries they made and how we still rely on them today. It details the constellations, various colors of the...
Physics Girl
How to Make a Hurricane on a Bubble
Pop! Does your class know that bubbles help us understand our planet, molecular structure, and more? The video teaches how to create colorful vortices on a bubble using basic equipment. Then it explains other interesting ways scientists...
Deep Look
These Fish Are All About Sex on the Beach
Here's an unusual approach to ensuring the survival of a species! Introduce young biologists to the California grunion, a fish that mates on land rather than in the water. The video shows how grunion make use of time and the tide to...
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