Be Smart
What's The Loudest Possible Sound?
If a tree falls in the forest and no person is around, does it still make a sound? Students view a short video segment to determine sound and decibel levels of various objects, including the loudest and quietest possible sounds humans...
Be Smart
The Physics of Space Battles
Ready to take your class on a journey through space and witness epic battles? A video segment portrays the true way space battles happen, complete with the way Hollywood handles the lack of gravity, even while firing missiles at the...
Be Smart
What Color is the Universe?
What colors are the sun, our galaxy, and the universe? An engaging video provides an overview of each and why what we think we are seeing is often wrong. It provides explanations for how to understand colors that aren't in the...
Be Smart
The Sun Is A Magnet!
Attract learners to science by studying largest magnet in the galaxy. The video explains why the sun is technically a magnet and how the magnetic fields causes solar storms. It also covers the effects of solar storms on the earth such as...
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
What's the Deadliest Animal in the World?
Do you know what animal causes more than one million deaths each year? This terrifying animal and how it causes so much death is the subject of a video that also shares how humans can avoid it and the research scientists have conducted...
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
%$?# Allergies!
About 40,000 people have sinus surgery every year, hoping to relieve sinus congestion due to allergies. Learners see why some people have allergies and others don't. From flowers' pollen to pet dander, some human immune systems are...
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...
Crash Course
How Computers Calculate—the ALU: Crash Course Computer Science # 5
ALU, what are you? Young computer scientists watch a video to learn about the Arithmetic and Logic Unit (ALU) in the fifth video of the series. They use logic gates to represent each component of this unit.
Crash Course
The Central Processing Unit (CPU): Crash Course Computer Science #7
Build your own CPU. A video shows how logic gates, the ALU, and RAM all combine to form the central processing unit of a computer. It explains the fetch, decode, and execute phases of the CPU.
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...
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