Catalyst University
Roos Test (Elevated Arm Stress Test) | Rationale & Interpretation
In this video, I explain and demonstrate the Roos test (Elevated Arm Stress Test), one special test used in the diagnosis of Thoracic Outlet Syndrome (TOS). More specifically, we cover the rationale, interpretation of results, and...
Catalyst University
Prions | Mechanism of Classical Creutzfeldt-Jakob Disease (cCJD)
In this video, I discuss the mechanism of development and propagation of Classical Creutzfeldt-Jakob Disease (CJD).
Brian McLogan
How to evaluate the limit at the end of a radical graph left right and general
👉 Learn how to evaluate the limit of a function by rationalizing the radical. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The limit...
The Wall Street Journal
Fixing the Opioid Crisis
Soaring addiction and overdose death rates have spurred calls for a comprehensive prevention and treatment response. Yet too few people are getting care that works. What would a better system look like, and what are insurers willing to...
Institute for New Economic Thinking
Is Poverty More Worrying than Inequality?
Xavier Gabaix argues that public policies should prioritize alleviating deprivation at the bottom over narrowing the rich-poor gap. Gabaix discusses why economies fluctuate, and postulates that firm-level shocks, meaning when a large...
Institute for New Economic Thinking
Taking Radical Uncertainty Seriously in Economics
William Janeway talks about how uncertainty is actually different from risk, and notes that everybody in an economy has to make financial decisions in an environment of radical uncertainty. Interviewed by Daniel Erasmus at King's...
Neuro Transmissions
Why are people left handed?
Lefties, southpaws, goofy footers, katy-handeds, mollydookers. Whatever you call them, 10% of the population is left-handed. But are there any differences between their brains and those of their right-handed friends? Why are some people...
Catalyst University
Complex Mechanisms: Steady-State Approximation
Complex Mechanisms: Steady-State Approximation
Science360
Next-generation optogenetics -- early concept brain research
Researchers all over the world use a technology called optogenetics, which allows them to turn neurons on and off in living laboratory organisms, by exposing them to certain types of light. Stephen Boppart of the University of Illinois...
de Dicto
Machine Learning Systems Design with Sara Hooker: The future of Machine Learning
Is Sara Hooker concerned about the short term implications of ML models, AI in general or the risks of AGI (Artificial General Intelligence) and the skynet idea and it having drastic consequences for human survival? Machine Learning...
Curated Video
Introduction to Differentiation of Small Positive Integer Powers of X
The video discusses the differentiation of small positive integer powers of X using the first principles method. The presenter explains how to find the gradient of curves for functions such as X^2, X^3, X^5, and 3X^2 by taking the limit...
Catalyst University
A&P I Lab | Exercise 4 Part 2: Connective Tissues
A&P I Lab | Exercise 4 Part 2: Connective Tissues
Independent Producers
Border States in the Civil War
Kentucky was one of four states that were slave states but did not declare secession from the Union during the U.S. Civil War. They are known as "border states." Kentucky began the U.S. Civil War as officially neutral. This public radio...
Institute for New Economic Thinking
George Akerlof: Rising to the Challenge - INET Panel Discussion (1 of 5)
George Akerlof is the Koshland Professor of Economics at the University of California, Berkeley, and a speaker at INET's Conference at Bretton Woods on April 10, 2011
The Wall Street Journal
Town Hall: You Want a Job? We've Got Jobs
During the October 2021 WSJ Jobs Summit, Executives from JPMorgan Chase, Microsoft and Levi Strauss share what they're looking for in prospective candidates and how job seekers can set themselves a part in a crowded field.
Curated Video
The Purpose and Importance of Financial Regulation in the Banking Sector
In this lecture presentation, the speaker discusses the purpose and importance of financial regulation within the banking and financial sector. The speaker explains the various risks involved in banking, including credit risk, market...
Debunked
Myths & Misconceptions About North Korea
How close is North Korea to having a nuclear missile that can hit the USA? And can we really believe everything we hear about the secret state?
Catalyst University
Biotechniques | Basics of Making His-Tags & Nickel Affinity Chromatography
As always, the steps of putting a gene insert into vector/plasmid AND nickel affinity chromatography depend on your specific lab and protocol. Here, we look at the general theory of engineering a poly-His tagged protein and Ni affinity...
Extra English Practice
Learning English - How Spelling Changes With Plural Nouns
Learn the rules for spelling plural nouns in English. Usually in English, to make a noun plural, you just add an -s. But sometimes that doesn't work. In this video, you will learn some rules to help you know how to spell plural nouns in...