Curated Video
What Do Moths Eat?
Moth Food: In their primal phase, moths possess chewing organs that they use to chew just about anything in their proximity. This includes hair, fur, furniture, paper dust, and materials composed of oil and wool.
TMW Media
Lake Nakuru Flamingos & Friends: How to protect the animals inside Lake Nakuru Park
Why is there so much algae at the lake? What kind of pollution is a problem in the park? Is anyone doing anything to help the animals at Lake Nakuru? Lake Nakuru Flamingos & Friends, Part 5
ProTeachersVideo
Alkali Metals - Properties in Air
A look at the chemical properties of elements in group 1 of the periodic table (the alkali metals) showing how the metals tarnish in air, and trends of reactivity and melting point. KS3 and KS4 Chemistry
Curated Video
Understanding Half Equations in Electrochemistry
The video gives a brief overview of oxidation and reduction and then focuses on reactions at the cathode and anode in an electrolytic cell. The concept of half equations is introduced and demonstrated through examples, with a focus on...
Catalyst University
Electric Rays: 200 V Electrifying Machines!
Here we explore interesting facts about Electric Rays, cartilaginous ray-fish that can generate up to 200 V of electricity to attack their prey or defend against predators.
60 Second Histories
WW1 - Gas attack
An overview of the different types of gas used during WW1 together with the developments of gas masks and hoods to protect soldiers.
Schooling Online
Chemistry Properties and Structure of Matter: Properties of Matter - Naming Allotropes
This lesson will present the rules for writing the names and chemical formulae of elements and their allotropes.
Definitions included: chemical structure, ionic lattice, metallic lattice, molecule, covalent network, solitary atom,...
Curated Video
Why Can’t You Clench Your Fist Right After Waking Up?
When you wake up, it takes some time to get the electrolytes flowing through the muscles in your hands again. That’s why you may not be able to make a fist right after waking up. This effect is more pronounced if you don’t wake up...
Curated Video
Electrolysis of Aqueous Solutions and Purification of Copper
The video is a tutorial on electrolysis of aqueous solutions. The speaker introduces the basic rules for electrolysis of aqueous solutions and how to predict the products using those rules. The examples are given for different...
Visual Learning Systems
Investigating Chemical Reactions: Describing Chemical Reactions
Upon viewing the Investigating Chemical Reactions video series, students will be able to do the following: Define a chemical reaction as a process in which substances undergo changes to produce new materials with different properties....
Healthcare Triage
A Look at The DASH Diet 20 Years Later
A recent Viewpoint in JAMA focused on the 20 year anniversary of the DASH diet, one of the major breakthroughs in blood pressure control. Let's discuss. This is Healthcare Triage News.
TMW Media
Properties Of Water: How water sustains living things
How do plants use water to live and grow? How does water help the human body? What food contains the highest amount of water? Properties Of Water, Part 3
Catalyst University
Excitation-Contraction Coupling in Skeletal Muscle [Part 1/2]
Part 1 of 2 of excitation-contraction coupling | In this video, we discuss excitation-contraction coupling from events on the motor neuron axon all the way through opening of calcium channels in the sarcoplasmic reticulum (SR).
The Backyard Scientist
Pouring Molten salt into Water - Explosion!
Pouring Molten salt into Water - Explosion!
Next Animation Studio
Scientists develop sodium battery as alternative to lithium-ion
Scientists have found a way to successfully synthesize sodium as a viable replacement for lithium-ion in batteries.
Curated Video
How to Balance Chemical Equations
The video is a tutorial on how to balance chemical equations. The instructor goes through three different equations, counting the number of elements present on each side and then adjusting the coefficients to balance the equation. The...
FuseSchool
Law Of Constant Composition
Learn the basics about the law of constant composition and how to apply it. The law of constant composition states that in a given chemical compound, all samples are made up of the same elements combined in the same proportions. So what...
Curated Video
Reactivity Series: Finding and Ordering Reactivity of Metals
The video is a lecture presentation about the reactivity series, covering topics such as how to define and order reactivity, and providing examples of reactions between different metals and their reactions with water and acids. The...
Healthcare Triage
HCT News #1: Eat More Salt
Healthcare Triage is almost one year old. To celebrate, we're going to give you more Healthcare Triage. Two episodes a week. Monday will be a traditional episode, full of all the detail and knowledge you've come to expect.
Healthcare Triage
That Low Salt Diet Probably Won't Prevent Heart Failure
There have been lots of recommendations over the years to eat a low-sodium diet. We've talked about the evidence on this before. Well, get ready to taste salt again. Research points to the conclusion that low sodium diets don't do much...
The Backyard Scientist
Molten Aluminum Vs. Pie (+Sodium!)
Today I pour molten aluminum on Pumpkin pie, Apple pie, Cranberries, and mashed potatoes & gravy. I also make a Sodium Potassium alloy NaK and put it inside a jar of cranberries. I shoot it with my BB gun to explode it. Finally I toss a...
FuseSchool
Giant Chemical Structures - Part 2
Giant ionic structures also have exceptionally high melting points. This is because the electrostatic interactions between the ions are very strong. Mg2+ and O2- ions have double the number of charges on their ions than Na+ and Cl- ions...
Catalyst University
Action Potential Physiology (FULL VIDEO)
Action Potential Physiology (FULL VIDEO)