Many consider nuclear reactors to be big and scary, yet the  first human-made nuclear reactor as described by this video was neither of these things. Built on a squash court in Chicago, the reactor was powerful enough to turn on a...

There are 100,000 miles of blood vessels in the brain—wow! In this brain video, viewers see how the brain has evolved from simple to complex organisms. The instructor explains the 17 different structures of the brain and their...

The first person to discover the structure of DNA is not the person who won the Nobel prize for the discovery. While we know Rosalind Franklin was the first to discover the structure of DNA, her work was shared with others who went on to...

Never trust a tree, they always look shady. The video explains both primary and secondary succession. It uses examples of volcanic activity, fires, and human disturbances. It is the seventh in an 18-part series.

How does a rabbit keep his fur looking good? With hare spray! Here is a video that begins with the concept of exponential growth, modeling it through four generations of rabbits. It includes two different methods to solve growth rate...

Scientists and engineers in every field use scientific notation. The Socratica video explains what scientific notation is and why people use it. Then, it offers examples of how to convert a number into and out of scientific notation....

Finally, something that is better when it's broken! Computers make sequencing short pieces of genome an easy task, yet they struggle with long sequences. Learn about one method for sequencing genomes by breaking it into smaller pieces...

The first person to theorize continental drift was a meteorologist with a PhD in astronomy. Alfred Wegener was generally mocked at for his continental drift theory, but later science would prove him right. The video discusses his...

Humans lose consciousness at under 5 Gs, but woodpeckers experience deceleration forces of 1200 Gs without losing consciousness. How do woodpeckers survive? Video highlights three different animal adaptations that help them to survive in...

Can we really have humans on Mars within a decade? Only time can tell, but here is a video that explains the four challenges that must be addressed in order to have a manned mission to Mars. It also discusses how government programs...

The magnets on a refrigerator are stronger than Earth's magnetic force. Watch a video that describes the fundamental force of magnetism. It relates magnetism to electricity and connects this to almost every type of electricity...

Many children's toys demonstrate energy transfer without electricity. The video highlights the drinking bird, which bobs up and down thanks to a chemical reaction. It also demonstrates other classic toys that show energy transfer...

Can the distributive property help solve complex multiplication when you can't find a calculator? Yes, as a matter of fact, it can! Using addition, subtraction, and area models, the speaker explains how to simplify these problems and...

Scientists use a telescope larger than Earth to study distant galaxies. Learn how they build and operate such a large telescope as well as some of the cool discoveries with a short video from the SciShow Space series. It also explains...

Tasmanian devils are scavengers who eat dead animals including the bones and fur. A video begins with cancer in Tasmanian devils to demonstrate the importance of genetic variation. Then examples such as the black-footed ferret and AIDS...

To take one step, the body uses about 200 muscles. In the video, learners see the difference between the three types of muscles found in the human body—skeletal/striated, smooth, and cardiac. The instructor then explains, in detail, how...

A scientific video focuses on ten famous inventions and the person credited with inventing each one. Then it describes the bigger picture of each invention and how it relied on those before them and around them. 

What types of water qualify for recycling and how does the recycling process work? The eighth lesson in the 10-part series exploring Fresh Solutions presents both the financial and water savings associated with emerging recycling methods.

A video on logistic growth begins with a review of exponential growth before moving on to limiting factors. This naturally leads to a decrease in the growth rate and a discovery of carrying capacity. 

The pineal gland in the endocrine system secretes melatonin which helps humans sleep. In this human body video, scholars explore the major parts of the endocrine system. The instructor explains the roles of hormones, glands, and cells...