Molar mass, gram molecular mass, and gram formula mass essentially mean the same thing. The brief video, part of the Socratica "Chemistry Lessons" playlist, explains how to solve these problems. It walks through the required tools,...

The first video in a five-part series on Evolution and Speciation introduces four types of evolution and addresses common misconceptions. In addition, viewers learn about topics current understanding of science does not fully explain.

Imagine a mammal with the metabolism of a plant! This strange mammal appears cold-blooded like a reptile and demonstrates the social life of an insect. A short video examines learning the incredible adaptations of the naked mole rat.

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.

The Newtonian theory and the Einstein theory of gravity are the focus of a video that examines the details of each and includes the drawbacks of them as well — a great, well-rounded lesson!

Johannes Diderik van der Waals won the Nobel Prize for physics in 1910. The video, part of the Socratica chemistry playlist, explains what the van der Waals forces are and how they interact based on type. It details dipole interactions...

Do other planets have seasons similar to Earth? SciShow Space introduces recent research from the Curiosity rover as part of a playlist that explores the galaxy. First, Hank Green explains the seasons on Mars and what it means for...

Gay-Lussac first published the law relating the volume and temperature of gas, but he kindly credited Charles in what is now known as Charles's Law. Part of Socratica's chemistry playlist, the video explains Charles's Law. It also works...

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....

Conscious, unconscious, subconscious? Consciousness is the focus of the eighth video in a psychology course, and for his purposes, the narrator defines consciousness as "our awareness of ourselves and our environment." Aspects examined...

Around 80 percent of the nitrogen in plants living in coastal forests comes from decaying fish. Viewers learn how salmon encourage the growth of forests with a scientific video that highlights interdependence, ecosystems, and the...

To introduce the concept of how sensation influences perception, the narrator of this psychology course, the fifth in a series of 13 videos, presents the case of Dr. Oliver Sacks, a physician that suffers from prosopagnosia. Also known...

If an aerosol can lands in a fire, it explodes due to Gay-Lussac's Law. A video from a chemistry playlist explains Gay-Lussac's Law and the relationship between pressure and temperature of gases. It includes two guided practice problems...

Many species find breathing a convenient way to survive. The PBS Eons series explains how fish learned to breathe air. It details what scientists know about evolutionary history as well as many species that developed this skill...

Scientists proved Einstein wrong and in the process also proved him right. Scholars learn about two recent scientific discoveries in an interesting SciShow Space video. The first describes the possibility of life on Mars based on recent...

How perception is influenced comes under scrutiny in Part 7 of this 13-part psychology course. The narrator introduces the lecture by defining perceptions as "the ability to make meaning out of our senses" and then discusses the...