Professor Dave Explains
Subclass Pterygota Part 1: Mayflies, Grasshoppers, Stick Bugs, and More
Within subphylum Hexapoda there is class Insecta, and within this class there is subclass Pterygota. This clade contains all the flying insects in the world, so it will be a lot of work to describe them all. Let's start out by discussing...
Great Big Story
A telescope so powerful it can see into the past
Explore the capabilities of cutting-edge telescopes that allow scientists to peer into the depths of space and time.
Great Big Story
The striking red kneed tarantula, beauty and conservation
Discover the red kneed tarantula, known for its vibrant colors and the challenges it faces in the wild.
Curated Video
Transformations: Translations, Reflections, and Rotations
Transformations are a fundamental concept in mathematics, but they can be confusing for beginners. In this video, I'll give you a clear and concise introduction to translations, reflections, and rotations. You'll learn what...
The Business Professor
Taylorism - Management Theory
Dr. Kyle Huff explains what is Taylorism in Management Theory
The Business Professor
Social Network Analysis
What is Social Network Analysis? Social network analysis is the process of investigating social structures through the use of networks and graph theory. It characterizes networked structures in terms of nodes and the ties, edges, or...
The Business Professor
What is Growth in a Startup_
What is Growth in a Startup Venture? There's an initial period of slow or no growth while the startup tries to figure out what it's doing. As the startup figures out how to make something lots of people want and how to reach those...
The Business Professor
Build Up Method - Business Valuation
What is the Build Up Method of Business Valuation? In the "buildup method" valuation begins with the risk-free rate. The individual valuing the firm then makes the subjective determination of what percentage to add to the risk-free rate....
The Business Professor
Designing a Team
What is Designing a Team? Team design is the process of organizing individuals into a cohesive coalition—one that makes a concerted effort to achieve a shared outcome. Teamwork has a lot of advantages: combined brain power, complementary...
The Business Professor
Common Size Analysis
Common size analysis is used to compare financial performance of two different companies or units. It is used to put the compared organizations on the same footing for comparison.
The Business Professor
Du Pont Formula - Assumptions
There are various assumptions made when employing the DuPont formula to compare the performance or Return on Equity between Companies. The primary assumption is that the companies being compared are similar in nature.
Great Big Story
Keexs, redefining sneakers in Nigeria
Discover how Jide Ipaye’s Keexs blends Afrocentric design and innovation, empowering Nigerian sneaker culture.
Curated Video
The Fascinating Phenomenon of Solar Eclipses
In this video, we learn about the significance of sunlight in sustaining life on Earth and how solar eclipses occur. The video explains the ancient beliefs surrounding eclipses and provides scientific explanations for the phenomenon. It...
Curated Video
The Endangered Giant Panda: An Icon of China's Wildlife Conservation
The video provides a fascinating insight into the life of the endangered giant panda, highlighting their dwindling numbers and unique eating habits. Despite their carnivorous nature, pandas mainly consume bamboo, resulting in a...
Curated Video
The Majestic Giants: Redwoods and Giant Sequoias
In this video, we explore the fascinating world of redwood and giant sequoia trees. Discover how these majestic giants, the tallest and largest living things on Earth, thrive in their unique environments. Learn about their incredible...
Professor Dave Explains
Population Ecology (Life Tables, Age Structure, Population Growth)
With an understanding of individual organisms, let's take a look at population ecology, which looks at the dynamics of populations of organisms. How do populations grow? How are they structured? What is their geography? There is a lot to...
Curated Video
No Major Cities: Why So Few Canadians Live In On The East Coast
Much like the United States, Canada's first European settlements began on its east coast. But where many of the US's first settlements would eventually emerge as major population centers such as Boston, New York City, and Philadelphia,...
Curated Video
Alaska: Why America's Largest State Is Also Its Most Important
Alaska is a truly huge state that the United States acquired from Russia for basically peanuts. But Alaska isn't just very large, it's also become an incredibly important state for the U.S. in terms of national security for today and...
Curated Video
Exploring the Differences: Wolves, Foxes, and Coyotes
In this video, we explore the differences between wolves, foxes, and coyotes. We learn that coyotes are smaller than wolves, weighing between 20 and 50 lbs. Foxes, on the other hand, are the smallest of the three, with a size slightly...
Curated Video
The Fascinating World of Hurricanes: Exploring the Power and Dynamics of Tropical Cyclones
This video explains the formation and characteristics of hurricanes, also known as tropical cyclones or typhoons. It highlights how warm air rises, creating low pressure systems that rotate due to the Earth's spin. The video also...
Curated Video
Meteorites: From Shooting Stars to Ancient Clues
This video explores the fascinating world of meteorites, discussing their size, frequency of occurrence, and their role in meteor showers. It also highlights the rarity of meteorites making landfall and the largest known meteorite, the...
Curated Video
Dinosaurs: Fun Facts and Fascinating Discoveries
Dive into the fascinating world of dinosaurs with this video, exploring the diverse types of these ancient creatures, from massive meat-eaters to small plant-eaters. Learn about the incredible sizes of dinosaurs, with some as large as 15...