Professor Dave Explains
Favorskii Rearrangement
It's the Favorskii rearrangement, a method of ring contraction! This reaction utilizes cyclopropane intermediates and is super neat. Need to make your ring one carbon smaller? Try the Favorskii rearrangement!
Curated Video
Importance of Precise Definitions in Geometry
In this lesson, we explore the importance of precise definitions in geometry. We discover that imprecise definitions can lead to multiple interpretations and confusion.
Professor Dave Explains
Vilsmeier Reaction
What's a formylation? The introduction of a formyl group, of course. This refers to a way to make aldehydes. The Vilsmeier reaction is one such method, developed in 1927. Let's get a look at this reaction, its mechanism, and the...
Curated Video
Understanding Reaction Pathways in Industrial Chemistry
The video explores the concept of reaction pathways in industrial manufacturing. The speaker explains that a range of different ways can be used to make a product and these are called reaction pathways. The video highlights various...
Science360
Phytotron facelift facilitates cutting-edge research on plants
This laboratory is a control freak's dream come true! Welcome to the North Carolina State University (NCSU) Phytotron, a singular facility for growing plants under various combinations of strictly controlled environmental conditions....
Professor Dave Explains
Fischer Indole Synthesis
We've talked about a few heterocycles, but one important aromatic one we didn't mention is the indole. This is a component of a variety of biomolecules. So how can we make them? Nobel prize winner Emil Fischer developed the Fischer...
Curated Video
Understanding Yield in Chemical Reactions: Theoretical Yield, Actual Yield, and Percentage Yield
This video provides an explanation of yields in chemical reactions. It defines yield and goes on to explain the theoretical yield. The video also discusses actual yields. The concept of percentage yield is introduced as a measure of the...
Food Farmer Earth
Organic Farming's Role in Global Nutrition: Fred Kirschenmann's Perspective"
Fred Kirschenmann challenges the notion that organic farming cannot feed the world, arguing that it's not about yields but about access to food, sustainable practices, and efficient use of resources. He emphasizes that the real issue...
Financial Times
Charts that matter: Catalonia to tech
The FT's markets team on what to watch for in markets this month: US credit, Catalonia bonds, bond covenants, rotation into energy and what the S&P 500 needs.
Brainwaves Video Anthology
Rositsa Mineva - Bulgarian Youth Leaders Program
Rositsa Mineva is an English Language teacher in Stara Zagora, Bulgaria. She was one of 15 Bulgarian teachers who were brought to the USA to study at Columbia University. They were sponsored by the Institute of International Education.
Curated Video
Calculating Bond Yields
The video explains how to calculate the yield on a bond and the key terms associated with it. It also demonstrates the calculation of bond yields using different examples and explains how the bond yield is affected by factors such as...
FuseSchool
What Is The Haber Process
What is the Haber Process, how does it work and where do we use it? In this education video by The Fuse Universal you are going to learn about: - How to conduct the Haber Process - Industrial Process for the Production of Ammonia - Uses...
Curated Video
Optimum Conditions for the Haber Process: Yield vs Production Rate and Cost Trade-off
This video discusses the Haber process used to manufacture ammonia, which can be used to produce nitrogen-based fertilizers as well as nitric acid. It explains the reaction between hydrogen from natural gas and nitrogen from the air to...
KnowMo
Multiplication of Negative Numbers: Understanding Opposite Signs and Finding the Solution
This video is a tutorial on multiplication of negative numbers. They demonstrate using examples of positive numbers before moving on to negative numbers. The instructor emphasizes the importance of carrying out the multiplication first,...
Curated Video
Tips, Tricks, and Techniques for Node.js Development 3.4: Generators and Yield
In this video, we will learn the use of generators and yields. • Get an introduction to generators • Use a generator function with yield keyword • Run this generator function
msvgo
Fishery
It explains the salient points followed during feeding, rearing and breeding of aquatic animals.
The March of Time
1952: LABETTE COUNTY AGRICULTURAL STUDENTS: VS Labette County High School student Warren Slater riding tractor, planting seeds w/ plough (plow) (winter wheat), inspector & Slater checking corn stalks, talking about harvest & grade (SOT). Kansas, KS
MOT 1952: LABETTE COUNTY AGRICULTURAL STUDENTS: VS Labette County High School student Warren Slater riding tractor, planting seeds w/ plough (plow) (winter wheat), inspector & Slater checking corn stalks, talking about harvest & grade...
Brave Wilderness
$375,000 SNAKE BITE!
On this episode, Coyote and the Brave Crew visit the Reptile Discovery Center to explore the devastating power of diamondback rattlesnake bites! From deadly snake milking to total blood cell annihilation, the Crew gets hands-on with the...
Curated Video
Spelt: A Promising Ancient Grain in the Modern World
This video discusses the decline and resurgence of spelt, an ancient grain that has faced challenges due to modernization and the popularity of wheat. Despite being less popular and more expensive, spelt retains its ancient composition...
Professor Dave Explains
Mannich Reaction
One of the most important name reactions is the Mannich reaction, named after German chemist Carl Mannich, who developed it in 1912. In its original form, this takes formaldehyde, an enolizable ketone, and a secondary amine, and produces...
The Wall Street Journal
Food By Design
Pairwise CEO Tom Adams and Inari CEO Ponsi Trivisvavet discuss how genetic engineering could help solve some of the world’s biggest food-related problems, and how agricultural technology companies plan to scale and overcome consumer...
Curated Video
Uses for Maize
Which countries produce the most maize and what do they use it for? Learn about the many uses of maize from food to fuel. Maize part 4/5
Rachel's English
Driving Vocabulary
Learn English vocabulary words for driving! I will teach you the American English pronunciation for driving-related words common in the US. You can use this English vocabulary video as a training guide, reading along with me and...
Curated Video
Learning Python Web Penetration Testing (Video 11)
With the huge growth in the number of web applications in the recent times, there has also been an upsurge in the need to make these applications secure. Web penetration testing is the use of tools and code to attack a website or web app...