Crash Course
Solutions: Crash Course Chemistry
This week, Hank elaborates on why Fugu can kill you by illustrating the ideas of solutions and discussing molarity, molality, and mass percent. Also, why polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar...
SciShow
These Glaciers Cannot Melt
In the Zagros Mountains of Iran lie some strange, multi-colored glaciers that don’t melt, even in the heat of summer. But, in a rainstorm, these glaciers will start to dissolve away.
SciShow
How Does Bug Soup Become a Butterfly?
A caterpillar hatches from an egg, makes a cocoon, and emerges a fully-grown, beautiful butterfly. But, during its time in the cocoon, the caterpillar melts its body into bug goo... then even weirder stuff happens.
Curated Video
How to Use Tamarind in Indian Food
Howcast - Learn how to use tamarind from cookbook author Maya Kaimal in this Howcast Indian food video.
Curated Video
How to Use Nicotine Lozenges to Stop Smoking
Howcast - Learn how to use nicotine lozenges to stop smoking from addictions counselor Adam Steiner in this Howcast video.
Curated Video
How to Treat & Prevent Indigestion
Howcast - Learn how to treat indigestion from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems and digestive disorders.
Curated Video
How to Do Immersion Dyeing with Fiber Reactive Dyes
Howcast - Learn how to do immersion dyeing with fiber reactive dyes in this Howcast video about tie dyeing.
Curated Video
How to Use Yeast & Leaven
Howcast - Learn how to use yeast and leaven in this bread making video from Howcast.
Curated Video
How to Make Silly Putty to Demonstrate Chemical Reactions
Howcast - Learn how to demonstrate chemical reactions using homemade silly putty with the instructions in this Howcast science project video.
Curated Video
How to Get Oil-Based Paint off Skin
If you're using oil-based paint and you end up with more on your hands than on the object you're painting, try these methods to remove it.
Curated Video
DIY SCI - NAKED EGGS
DIY SCI host Steve Spangler demonstrates how you can dissolve an egg's shell to make a naked egg!
The Business Professor
Process for Shutting Down a Business
What is the Process for Shutting Down a Business? This depends on the type of entity and whether the business has outstanding debts and creditors.
Curated Video
Homemade Lava Lamp
Dr. Boyd demonstrates that oil and water do not mix by showing you how to make a homemade lava lamp.
Minute 0:32 – Introduction
Minute 0:50 – What you need
Minute 1:16 – Explanation
Minute 2:57 – Safety
Minute 3:06 – Demonstration
Curated Video
Learning About "The Hypothesis" by Dissolving Peppermint
Which liquid will dissolve the Peppermint Candy Canes the fastest? Follow Dr. Boyd’s explanation to set up your experiment. Just remember to come up with your own hypothesis before you start the experiment. Once you’ve come up with...
Science ABC
Does Water Really Conduct Electricity?
Pure water doesn’t conduct electricity; by itself, it is a poor conductor of electricity. However, water contains charged ions and impurities that make it a very good conductor of electricity. We are always told and taught that water...
Curated Video
Covalent bond
A strong chemical bond formed when atoms share pairs of electrons, forming molecules. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Solvent
The substance, such as water, in which another substance can dissolve. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Dissolve
To make a solution of something by mixing a soluble substance into a solvent, such as salt into water. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Insoluble
A substance that cannot dissolve. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and key...
Curated Video
Aqueous
An aqueous solution is simply any solution in water. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Hydrophilic
Meaning water-loving, a hydrophilic substance is one that readily associates with water. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Solution
A homogeneous mixture of more than one substance, with the different particles evenly distributed throughout. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...