Curated Video
Analyzing Osmosis Experiment Results and Estimating Sugar Concentration in a Potato Cell
This video is the second of two lectures on osmosis experiments. The presenter discusses how to process and analyze the results obtained in the first presentation and estimate the sugar concentration in a potato cell. The presenter...
Catalyst University
Protein:Ligand Saturation Equation Derivation
Protein:Ligand Saturation Equation Derivation
Curated Video
Investigating the Effects of Sugar Solutions on the Mass of Plant Material through Osmosis Experiment
This video discusses the required practical activity from the biology specification which involves investigating the effects of different concentrations of sugar solutions on the mass of plant material. The video uses the definition of...
Curated Video
How Smells Affect Emotions and Performance
This video discusses the powerful impact that scents can have on our emotions, memories, and overall well-being. The video also highlights the various scents, such as lemon, lavender, jasmine, rosemary, cinnamon, and peppermint, and...
Catalyst University
Hemoglobin Function Bohr Effect (Macroscopic Interpretation)
Hemoglobin Function Bohr Effect (Macroscopic Interpretation)
The Business Professor
Economic Concentrations in Business School
Economic Concentrations in Business School
Catalyst University
The Loop Of Henle [Part 1] | Countercurrent Multiplication
In this video, we will discuss the absorptive properties of the Loop of Henle's ascending and descending limbs and how the Loop of Henle's set-up drives countercurrent multiplication.
Catalyst University
Protein:Ligand Saturation Equation: Example #2
Protein:Ligand Saturation Equation: Example #2
Catalyst University
Graphical Estimation of Kd from P:L Binding Plot
Graphical Estimation of Kd from P:L Binding Plot
Catalyst University
Vmax at S of "Inifinity"? Or Something Else?
Vmax at S of "Inifinity"? Or Something Else?
NASA
COVID-19 Earth Observation Dashboard Tutorial
COVID-19 led to changes in human activities around the globe. Some bodies of water have run clearer, emissions of pollutants have temporarily declined, and transportation and shipment of goods have decreased. We can see some of these...
Curated Video
The Art and Benefits of Meditation
Meditation is a practice that focuses concentration and brings awareness to the present moment. Meditation has been practiced for centuries and is known to provide stress relief, relaxation, and even therapeutic benefits for the mind and...
Curated Video
The Evolution of Earth's Atmosphere
The video discusses how the Earth's atmosphere has evolved over the past 4.6 billion years, with a focus on the composition of gases present over different periods of time. It highlights the role of volcanoes, oceans, plants, and fossil...
Professor Dave Explains
Practice Problem: Calculations Involving pH and Ka
We know a bit about acids and bases, including the definitions of pH and pKa, as they relate to an acid-base equilibrium. If we have a weak acid and its concentration, as well as the pH of the solution, can we calculate the Ka for the...
Practical Ninjas
Single Beam Photometer | Absorption Spectroscopy | AI 04
The first and a very basic instrument called single beam photometer or colorimeter is explained in the following animated video. The photometer is used to determine the concentration of the unknown sample using the principle of...
Curated Video
Flame Emission Spectroscopy: An Instrumental Method for Identifying Metal Ions
The video discusses instrumental methods in chemistry, specifically flame emission spectroscopy, as a superior alternative to traditional methods such as flame tests and sodium hydroxide tests. It explains how the technique works, where...
NASA
Hubble Makes Unexpected Dark Matter Discovery
Astronomers seem to have revealed a puzzling detail in the way dark matter behaves. They found small, dense concentrations of dark matter that bend and magnify light much more strongly than expected. Video credit: NASA's Goddard Space...
Curated Video
Six Points of Pilates
Learn the six concepts that form the core of pilates practice. Pilates part 3/4
Curated Video
Analyzing and Purifying Water: Required Practical Activities in Chemistry
The video discusses the required practical activities for analyzing and purifying water in a chemistry specification. The focus is on the steps involved in determining the mass of salts dissolved in seawater, measuring the pH of water...
Catalyst University
Buffers: ICE Problem With Henderson-Hasselbalch Equation
Buffers: ICE Problem With Henderson-Hasselbalch Equation