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Catalyst University
The Cardiomyocyte Action Potential [Part 1]: The Action Potential Graph
In this video, we take a look at the graph representing the cardiomyocyte action potential and what each region of the graph represents.
Catalyst University
mTOR Part 1: Activation of mTOR and Overall Effects
mTOR Part 1: Activation of mTOR and Overall Effects
Visual Learning Systems
The Cell: the Nucleus
Students will learn about the discovery of cells, the development of the cell theory, and the differences between animal cells and plant cells, Animations illustrate the different parts of a cell. Other terminology includes: organelles,...
The Wall Street Journal
The Search for New Drugs: Part I
The drug industry has long said high prices are necessary to fund innovation, but policymakers, payers and consumers are increasingly questioning that justification. Does the industry need to change its ways before tougher controls are...
Curated Video
Discuss the importance of data : Importing Data in Python
From the section: Simple Decision trees. In this section, we will start with the basic theory of decision tree then we cover data pre-processing topics like missing value imputation, variable transformation and Test-Train split. In the...
Catalyst University
The Smooth Endoplasmic Reticulum for Anatomy and Physiology
The Smooth Endoplasmic Reticulum for Anatomy and Physiology
Let's Tute
Creating and Editing Code in Microsoft Excel: Understanding the Basics
In this video, the teacher explains how to create and edit code in Microsoft Excel using VBA. They demonstrate how to record macros for coloring data in different ways and then show the corresponding code generated by the macros. The...
The Economist
How to treat covid-19
A vaccine for covid-19 is a long way off. In the meantime, could existing drugs be used to treat the novel coronavirus?
STAT
Drawing life as it begins
How did a scientist create incredibly detailed drawings of embryo development a century ago?
Catalyst University
The GABAa Receptor & Positive Allosteric Modulation
The GABAa Receptor & Positive Allosteric Modulation
Curated Video
Active Transport: Moving Substances Against Concentration Gradient
This video explains the concept of active transport, which is the movement of substances from a more diluted concentration to a more concentrated concentration against a concentration gradient. The video provides examples of active...
Catalyst University
Clonal Selection EXPLAINED
In this video, we discuss the basic idea of clonal selection.
JJ Medicine
Ras Raf MEK ERK Signaling and the mTOR Pathway | Interactions and Regulation
Lesson on interactions between the Ras Raf MAPK and mTOR signaling pathways. Ras Raf MAPK and mTOR pathways have similar but distinct functions within the cell. During cell proliferation and growth, activation of these pathways is...
Curated Video
Mastering Swift 2 Programming (Video 13)
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Professor Dave Explains
The Inflammasome
When you get a bacterial infection, the immune response needs to be very rapid. But it can take hours to sense a threat, and generating effector proteins in response takes time. Luckily, we all have large protein complexes called...
Next Animation Studio
Explainer: How Johnson & Johnson’s single-dose COVID vaccine works
Johnson & Johnson announced on Jan. 29 that its single-dose coronavirus vaccine was 66 percent effective in preventing moderate disease
Next Animation Studio
Bees build nests from plastic
New research from Argentina’s National Agricultural Technology Institute shows that solitary bees are making nests out of plastic packaging.
Schooling Online
Biology Cells as the Basis of Life: Cell Structure - Plant Cells Part 3
Sadly, it’s their last day in the Garden of Babylon. But nothing cheers up Sally like a shopping spree! The class is off to buy souvenirs before they say farewell to this wonderful city. This lesson will conclude our introduction to the...
Curated Video
Mastering Swift 2 Programming (Video 9)
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Professor Dave Explains
Virus-Cell Interactions Part 1 Productive vs. Non-Productive
Now that we know a bit about viruses, we understand that they require a host cell. So let's get some more details about how viruses interact with cells. There are a few different ways this can play out, so let's start by looking at...
JJ Medicine
Inositol Triphosphate (IP3) and Calcium Signaling Pathway | Second Messenger System
Lesson on the Inositol Trisphosphate (IP3) and Calcium Signaling Pathway. IP3, calcium and diacylglycerol (DAG) are important second messengers that are unregulated upon activation of a G protein-coupled receptor. Inositol triphosphate...
Curated Video
Understanding the Process of Transpiration and Water Absorption in Plants
This video explains the process of transpiration in plants and how water is absorbed by specialized root hair cells. The video first defines transpiration as the loss of water from the surface of a plant and describes how leaves lose...
Curated Video
Cell Specialization: How Different Cells are Adapted to Their Functions
The video discusses cell specialization, explaining how cells are structured differently to suit their functions. Three types of specialized cells are examined, including sperm cells, egg cells, and ciliated epithelial cells. The video...