Professor Dave Explains
Plant Biologist Molly Edwards (Get to Know a Scientist!)
Do you love flowers? What would it be like to study flowers for a living? Let plant biologist Molly Edwards tell you all about it! She works at Harvard University, studying some really neat plant species with fascinating flower petals,...
The Backyard Scientist
Pouring molten Aluminum into a Pumpkin (cooled with liquid nitrogen!!!)
The inside of a pumpkin has a pretty interesting geometry. I had the idea to cast the inside to see what it looks like, but the inside of the pumpkin is very fragile and the 1000 degree aluminum pretty much destroys it as soon as it...
Cerebellum
The Human Body Nervous Systems - Cranial Nerves
Experts in neuroscience help us understand why the human brain is a marvel of structure and function. This program examines the interaction of the spinal cord and nerve endings, as well as fascinating concepts like involuntary and...
Catalyst University
Lineweaver-Burk Equation Theory and Derivation
Lineweaver-Burk Equation Theory and Derivation
Professor Dave Explains
Diazomethane Synthesis and Applications (Arndt-Eistert Homologation)
In learning about carbenes, we discovered the importance of diazomethane. So it will be a good idea to learn how to make this molecule, as well as some other things we can do with it, including something called the Arndt-Eistert...
Catalyst University
Asparagine, Aspartate Catabolism to Oxaloacetate
Asparagine, Aspartate Catabolism to Oxaloacetate
Catalyst University
(NEW!) Glycolysis Part 2 4 The Preparatory Phase & Questions
(NEW!) Glycolysis Part 2 4 The Preparatory Phase & Questions
Mediacorp
The Harmony of Religions and Cultures in Malaysia
This video investigates the integration of Buddhism into Malaysian culture and the success of having religious harmony. The Heart of ASEAN: episode 4, part 4/11
Catalyst University
Cholesterol Biosynthesis Stage 4 Conversion of Lanosterol to Cholesterol
Cholesterol biosynthesis is divided into 4 general stages. This video diagrams stage 4 in which lanosterol is converted into cholesterol. Also, see how vitamin D is generated from this pathway.
The Backyard Scientist
Pouring Liquid Nitrogen in a Pool - (I set my pool on fire!!)
I pour Liquid Nitrogen, Diethyl Ether, and Dry Ice into my pool! Can liquid nitrogen put out a fire? what about dry ice? Diethyl ether is one of the most flammable solvents around!
Catalyst University
Biosignaling - G-protein-coupled Receptors cAMP & Adenylate Cyclase
Biosignaling - G-protein-coupled Receptors cAMP & Adenylate Cyclase
Catalyst University
Biosynthesis of Peptidoglycan in Bacteria
Biosynthesis of Peptidoglycan in Bacteria
Catalyst University
Biosignaling - Receptor Guanylyl Cyclases & Nitric Oxide
Biosignaling - Receptor Guanylyl Cyclases & Nitric Oxide
Zach Star
Electrical Vs Computer Engineering Vs Computer Science - A Side by Side Comparison
In this video I give a side by side comparison of the college courses in electrical engineering, computer engineering, and computer science. Note that I really didn't 'count' some of the intro classes as "major classes" cause they are...
Catalyst University
Glycogen Phosphorylase Function and Mechanism
Glycogen Phosphorylase Function and Mechanism
Catalyst University
Factors Affecting Blood Flow and Vascular Resistance The Poiseuille Equation
In this video, we will use the Poiseuille Equation and several diagrams to understand the factors that affect blood flow through the circulatory system.
Catalyst University
Acetylcholinesterase (Part 1) Neuron Signaling Esterase Mechanisms 1
Acetylcholinesterase (Part 1) Neuron Signaling Esterase Mechanisms 1
The Backyard Scientist
Molten Aluminum vs Liquid Nitrogen (& Dry Ice!)
Pouring molten aluminum into liquid nitrogen and dry ice are my most requested videos, so today you finally get to see what happens!
Curated Video
Investigating the Effect of Concentration on Chemical Reaction Rate: A Practical Experiment
In this video, the speaker discusses a required practical activity on the chemistry specification which involves investigating how increasing the concentration of a reactant increases the rate of reaction by collecting a gas. The speaker...