Howcast - Learn what acne remedies to avoid, and what is involved in acne surgery, from dermatologist Cybele Fishman, MD in this Howcast skin care video.

Howcast - Learn how to handle diaper rash from parenting coach Tammy Gold in this Howcast baby care video.

Howcast - Learn the top three home remedies for acne from licensed esthetician Joanna Vargas in this Howcast video.

Howcast - Learn about the nutritional deficiencies common in children with autism from pediatrician and child development expert Asma J. Sadiq, M.D. in this Howcast video.

An essential mineral found in nearly every cell of your body, zinc is an immune-system booster that also plays a key role in muscle, nerve, and brain function.

New batteries have jelly like layer of zinc inside, while older ones don't. Here's why when you drop a new battery, this zinc layer softens it up, but older batteries bounce multiple times

En este video, exploramos los diversos propósitos e importancia del zinc, un elemento metálico con número atómico 30 y símbolo químico Zn. Destacamos el uso del zinc en aleaciones, particularmente en el latón, conocido por su resistencia...

Materials can be classified based on their response to external magnetic fields. Diamagnetic materials are weakly repelled by external magnetic fields, while paramagnetic materials are attracted but lose their magnetism in the absence...

There’s a common movie trope of an actor wiping their fingerprints off a gun. It seems like a simple wipe with a cloth eliminates any trace of a criminal’s guilt, but that isn’t actually the case! Scientists have developed a method that...

Any chemical reaction in which oxygen is removed from a substance.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

We use lemons and strips of zinc and copper to make a battery. First, strips of copper and zinc are added to one lemon and they are connected across a voltmeter. This is repeated, this time with more lemons and metal plates, until a...

From newborn babies to the elderly, changes to our diet at are vital as our age progresses. Find out how different nutrients help our bodies function at different stages in life. Biology - Healthy Living - Our nutritional needs change as...

Did you know you can turn zinc into silver?! This can happen through a simple single replacement chemical reaction. Check out this video to watch this transformation happen live!

Factors Affecting Rate of Reaction - Concentration & Pressure, Rate of Ammonia, electronic explanation, influence of bonds on rate, formation of ZnCl2, role of Effective collisions & Partial Pressures.



3 Factors influencing...

This video explores innovative solar technology developments, including a solar generator powering a London bus station and a groundbreaking method of extracting hydrogen from water using solar energy. Solar Century is at the forefront...

The Sol zinc process, developed by an international team of scientists led by chemical engineer Michael Epstein, harnesses solar energy to extract hydrogen from water at a lower cost. By utilizing a solar tower surrounded by mirrors to...

Explore the inner workings and history of light bulbs in this insightful video. From Thomas Edison's pioneering design to modern LED bulbs, uncover how these devices transform electricity into light. The video explains the role of...

It’s not everyone’s favorite subject, but have you thought about giving someone the ultimate gift of life?

Lamb

This video covers: - Why do things rust? What are the conditions for rusting? - Whats the chemical equation for rusting? - Corrosion experiment - How to prevent rusting by using the barrier method or sacrificial method - What is...

Miss Palomine introduces Zach Zebra and the uppercase -Z and lowercase -z, as well as the /z/ sound. She shows the Zz Card and plays the Zach Zebra music video. She and the student then try to find each uppercase -Z and lowercase -z in...

Miss Palomine begins by saying that she can’t stop thinking about the letter -Z. We see pictures of all the each -Z she’s seen during the day. She then shows the Zz card. She and the student then identify words that start with the letter...

Testosterone deficiency is a common cause of depression in men and can often go unrecognized. As a psychiatrist, what I see is the either the depressed man who doesn’t get enough improvement with...

Food Detective Berry Blue talks about why vegetables are such an important part of the Fabulous Five Food Groups. She explains the way vegetables grow and how they can be purchased fresh, canned, or frozen. She raves about the...