TED-Ed
TED-Ed: Vultures: The acid-puking, plague-busting heroes of the ecosystem | Kenny Coogan
In the African grasslands, a gazelle suffering from tuberculosis takes its last breath. The animal's corpse threatens to infect the water, but for the vulture, this isn't a problem: it's a feast. With a stomach of steel that can digest...
TED-Ed
TED-Ed: The surprising cause of stomach ulcers - Rusha Modi
It's a common misconception that stomach ulcers are caused by emotional upset, psychological distress, or spicy food. Yet no convincing study has ever demonstrated that these factors directly cause ulcer disease. So what does cause...
SciShow
Hydroxychloroquine and COVID-19: What We Know Right Now | SciShow News
You might have heard that we found a cure for the COVID-19, and that it comes from a drug we've used for centuries. But let's take a breath and look at the facts.
SciShow
The Truth About Cranberry and UTIs
If you have had a UTI before, maybe you've tried some cranberry juice or cranberry pills to ease the symptoms. Your mom suggested it, or even your doctor prescribed it, so it should work, right? But do you really know why cranberries are...
SciShow
Getting To Know Cows Inside and Out | Compilation
From being able to eat grass, to changing the weather with their burps: Cows are incredible creatures!
Crash Course
Preventing Flint - Environmental Engineering: Crash Course Engineering #29
A lot of work goes into managing our impact on the environment and its impact on us. That work is the work of environmental engineers. In this episode we’ll explore water quality, air quality, noise pollution, waste management, and more.
TED-Ed
TED-Ed: What causes kidney stones? - Arash Shadman
The biggest kidney stone on record weighed more than a kilogram and was 17 centimeters in diameter. The patient didn't actually swallow a stone the size of a coconut; kidney stones form inside the body. So how do they grow in the first...
SciShow
If Theres Acid Rain Is There Basic Rain
You've probably heard of acid rain: rain that's more acidic than normal because of pollution in the atmosphere. But, if rain can become more acidic, shouldn't it also be able to become more basic?
Bozeman Science
Ocean Acidification
In this video Paul Andersen shows how carbon dioxide in the atmosphere is causing a decrease in the pH of the oceans. The carbon dioxide combines with the water to create carbonic acid which dissociates into bicarbonate and carbonate...
Curated Video
Difference between acids and bases. And why supervillains love them.
What is the difference between acids and bases? This is a commonly asked question in both chemistry and biology classes. In this video, we will go through the definition of acid and base, and why they are so important to us, and, uh,...
Curated Video
Factpack: pH Scale
Explore the pH scale, and discover whether a solution is acidic, alkaline or neutral. Chemistry - Reactions - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention...
Curated Video
Acids and Alkalis: Part 1
The properties of strong acids and alkalis can be extremely harmful. Where do we find them, and how can we tell how acidic or alkaline a substance is? Chemistry - Reactions - Learning Points. Bases neutralise acids, and if a base...
Curated Video
Stomach Acid and Antacid
We use the enzyme pepsin and hydrochloric acid to simulate the conditions within the stomach in two boiling tubes. Cooked egg whites are ground and added to two boiling tubes of hydrochloric acid, but one is mixed with a crushed antacid...
Curated Video
Effects of Smoking
We test the effects of smoking by drawing first air and then cigarette smoke through apparatus that contains mineral wool and universal indicator. The air has no effect, but the smoke discolours the wool and changes the colour of the...
Curated Video
Acidification of Water
We use a drinking straw, some water and universal indicator to show that breathing out creates acid. Universal indicator is added to the water to show its pH value. When we blow into the water the indicator changes colour showing that...
Curated Video
Resonance in Action: Bond Length, Acidity & More!
Resonance has far-reaching effects on molecular properties. It can equalize bond lengths, making double bonds longer and single bonds shorter than expected. It also stabilizes charged species, influencing acidity and basicity. For...
Wonderscape
The Ripple Effects of Climate Change on Ecosystems
This video explores how climate change impacts ecosystems, focusing on the effects of rising sea levels, ocean acidification, and coral bleaching. Learn how changes in the climate disrupt marine life, threaten animal habitats, and...
Curated Video
Understanding Sinkholes: Nature’s Sudden Traps
Explore the sudden and often terrifying phenomenon of sinkholes. This video investigates how these giant holes are formed naturally over thousands of years, their potential dangers, and what typically lies at their mysterious bottoms....
Curated Video
Eco-Friendly Cleaning with Vinegar and Baking Soda
Discover the powerful cleaning effects of vinegar and baking soda. This video showcases how these two common household items can replace multiple cleaning products. Learn about the science of saponification and acid-base reactions that...
Curated Video
The Surprising Benefits of Chewing Gum: Dental Health, Appetite Control, and Brain Function
Explore the multifaceted benefits of chewing gum, from improving dental hygiene to enhancing brain function. This video delves into scientific experiments that reveal how chewing gum can clean teeth, neutralize mouth acidity, suppress...
Curated Video
Verdant Wonders: Exploring the Kakouetta Gorge and La Verna Cave
Delve into the lush Kakouetta Gorge in the French Pyrenees, where towering cliffs and dense vegetation create a tropical-like environment. This video explores the geological forces shaping this landscape and ventures into the vast La...
Wonderscape
Consequences of Global Warming: Ecosystems at Risk
This video details the effects of global warming, highlighting its impact on marine life, polar ice melt, rising sea levels, and disrupted animal hibernation patterns. It emphasizes the significance of increased greenhouse gases from...