SciShow
We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.
SciShow
What is Your Poo Telling You? What You Should Know About Poop
We know that everyone poops, but what is your poo actually telling you? Here on SciShow, we've talked a lot about poop and the science behind it—so today's episode is a compilation of answers to your poop related questions! Join Stefan...
TED Talks
TED: The tiny balls of fat that could revolutionize medicine | Kathryn A. Whitehead
What if you were holding life-saving medicine ... but had no way to administer it? Zoom down to the nano level with engineer Kathryn A. Whitehead as she gives a breakdown of the little fatty balls (called lipid nanoparticles) perfectly...
SciShow
5 Toxins Animals Steal For Themselves
Thievery is a known survival strategy in the wild. But you couldn’t steal a toxin...or could you? Meet 5 animals that turn someone else’s poison into their own weapon of choice. PORE-FORMING TOXINS 0:50 BIRDS-FOOT TREFOIL 2:45 SIX-SPOT...
SciShow
Ultra High-Tech Ways Scientists Might Defeat COVID-19
Scientists are trying a little bit of everything to fight the virus that causes COVID-19, but some researchers are harnessing more than just the usual virus-fighting repertoire, from tiny sponges to viral RNA-destroying bubbles.
Crash Course
Respiratory System, part 1: Crash Course A&P
So we all know that breathing is pretty important, right? Today we're going to talk about how it works, starting with the nameless evolutionary ancestor that we inherited this from, and continuing to the mechanics of both simple...
SciShow
Why Echidnas Are Evolutionary Misfits
It’s pretty well known that Australia is home to some strange animals, but echidnas are especially weird evolutionary misfits.
SciShow
Oxygen is Killing You
Hank introduces us to oxygen - the element that makes it possible for most animals to live, but which is simultaneously responsible for a lot of bad things going on in our bodies.
SciShow
We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.
SciShow
Everything You Ever Wanted to Know About Poop
Here on SciShow, we've talked a lot about poop and the science behind one of the more private aspects of our lives. So, our gift to you is a collection of just SOME of our poop-related episodes. Happy Holidays!
Bozeman Science
Biological Molecules
Paul Andersen describes the four major biological molecules found in living things. He begins with a brief discussion of polymerization. Dehydration synthesis is used to connect monomers into polymers and hydrolysis breaks them down...
Curated Video
Fatty acids
Fatty acids are vital for energy, cell structure, and managing inflammation. Discover their types and functions in the human body. Whether it's saturated, unsaturated, or the crucial omega-3s, we break down how these molecules influence...
Curated Video
These are the 4 main types of carbon-based molecules necessary for life
There are 4 main types of carbon-based molecules important to life. They are the building blocks for every living organism on this planet. In this video, I will give you a quick introduction to each type with some fun examples.
Curated Video
Phospholipid
A lipid that contains a phosphate group. Lipid molecules are normally hydrophobic, which means they repel water. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Cholesterol
A type of lipid found in the tissues of humans and other animals. 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...
Curated Video
Lipids
Organic molecules that contain long carbon chains or rings and which tend to be insoluble in water, though soluble in organic solvents. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Catalyst University
A Brief History of Fat - [Part 1 3]
In this segment, we discuss the failure of modern medicine to keep up with changes in scientific thought on lipids such as cholesterol. We also discuss several modes of regulation on cholesterol levels in the body.
Catalyst University
Overview of Metabolism [Part 3] | Acetyl-CoA & Anaplerotic Reactions
This video is part of a series in which we do an overview of metabolism and pathways. Specifically, this video covers pathways associated with the citric acid [Krebs] cycle, the fates of Acetyl-CoA, and some important anaplerotic reactions.
Curated Video
American scientists win the 2003 Nobel Prize in chemistry
1. Nobel Prize officials entering briefing room and sitting
2. SOUNDBITE: (English) Gunnar Oquist, General Secretary of the Royal Swedish Academy of Scientists:
"The Royal Swedish Academy of Scientists has today decided to award the...
TED-Ed
Cell Membranes Are Way More Complicated Than You Think
Cell membranes contain many contradictions; for example, they are both oily and strong. The video explains the parts of a cell membrane, the function of each part, and discusses the contradictions. It highlights what happens when...
Bozeman Science
Transport Across Cell Membranes
Materials don't need a password to move through cell membranes! Learners explore how cells move materials across the cell membrane. The video then teaches the detailed workings of both passive transport (specifically diffusion,...
Bozeman Science
Cell Membranes
Explore the structure of cell membranes including cholesterol, glycolipids, glycoproteins, phospholipids, and proteins. The video shows and discusses the fluid mosaic model as well as how cell walls differ from cell membranes.
Curated OER
A Tour of the Cell
The differences between prokaryotic and eukaryotic cells are explained and the parts of each are highlighted. Discover the major organelles found in an animal cell and each of their functions. Paul Andersen does an excellent job once...
Khan Academy
Inflammatory Response, Human Anatomy and Physiology, Health and Medicine
Sal describes the cellular activity that occurs when there is damage to our membranes.