Professor Dave Explains
Enantioselective Hydrogenation of Carbonyls and Imines
We just learned about some innovations regarding enantioselective hydrogenation of alkenes which utilize homogeneous catalysis and chiral catalysts. Can we employ the same approach to hydrogenate other functional groups? What about...
Professor Dave Explains
Phylum Hemichordata: Acorn Worms
To get started with Deuterostomia, we will look at phylum Hemichordata. These organisms are known as acorn worms, and they share some but not all of the chordate characteristics. There are fewer than 200 species in this phylum, so let's...
Curated Video
Substrate
In materials science, the substrate is the surface on which a coating is deposited. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Glucose
A simple sugar that plays a very important role in all living things. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Enzyme Action: Trypsin
We demonstrate denaturing by adding the enzyme trypsin to photographic film. Strips of photographic film are added to trypsin solution at different temperatures to determine the optimum conditions for the enzyme. In the right conditions...
Science Buddies
What Sugar And Tea Does a Kombucha Biofilm Prefer?
See how changing the tea or sugar used by a SCOBY biofilm impacts fermentation by measuring the biochemistry of the kombucha solution over time.
Curated Video
How to Build a Closed Terrarium
A terrarium is an enclosed ecosystem which can be entirely self-sustaining. Once set up and watered, you will never need to open it again since it will regulate its own water and nutrient cycles. In this video, we will go over the...
Curated Video
GCSE Biology - Enzymes - How Temperature and pH Affect Rate of Reaction
This video covers: - How temperature affects enzymes and the rate of reaction - How pH affects enzymes and the rate of reaction - Why enzymes denature - Was optimum temperature and optimum pH mean
Curated Video
Is Sand Bad for Leopard Geckos?
Having sand in leopard gecko enclosures is controversial in reptile care communities, but why? And should you avoid it? Jessi and her friends Freckles and Jelly the leopard geckos explain what this is all about.
Curated Video
Meet & Greet: Blueberry
Jessi introduces Blueberry the Northern Blue Tongued Skink, tells why she was rescued, and how she overcame her ailments to live a happy and healthy life as an animal ambassador at Animal Wonders.
Curated Video
Full Reptile Room Tour! | All Our Herps
Jessi takes you on a full tour of all the animals in the Reptile Room!
Curated Video
Bearded Dragons! What, Where, How
What is a bearded dragon, Where does it come from, and How can we provide them proper care in captivity? Jessi and Bindi the bearded dragon explain.
Curated Video
Blueberry's Special New Home
Blueberry the blue tonged skink needed an upgraded habitat that was better suited to meet all of her needs.
Curated Video
Behind The Scenes Update - Reptile Builds, Sickness, and Busy
Jessi shares what she's been working on and a few reasons why it's been to hard to put out videos for the last couple months.
Curated Video
Ask Jessi 6!
Jessi answers more viewer questions! Follow around video? Best treats for parrots? Kids? And more!
Professor Dave Explains
Phylum Mollusca Part 3: Class Bivalvia (Clams, Oysters, Mussels, etc.)
With gastropods covered, let's move to our next class within phylum Mollusca, the bivalves. These include clams, oysters, mussels, scallops, and shipworms. What are these organisms all about? What can we say about bivalve aquaculture?...
msvgo
Enzymes 1
It introduces enzymes as the biological catalyst. It also describes their chemical structure, types, nomenclature and mechanism of action.
Curated Video
Factors Affecting Enzyme Function
Factors Affecting Enzyme Function explains how changes in pH, temperature, and concentration levels can affect enzyme function.
Professor Dave Explains
Cleavage of Carbon-Carbon Bonds With Periodic Acid
Just as important as learning reactions that generate carbon-carbon bonds, we need ways to cleave carbon-carbon bonds as well.This is useful for splitting a molecule up into fragments, or transforming a cyclic molecule into a linear...
Professor Dave Explains
The Haloform Reaction
Once again, we will be interested in learning about reactions that break carbon-carbon bonds, as this will allow us to perform necessary transformations on substrates. The haloform reaction is one such reaction, and it is commonly used...
Science360
New multilayered materials ready for take off
When it comes to aircraft engines, rocket motors and nuclear power plants, the ""heat"" is constantly on to make the parts inside stronger, more reliable and more durable. In fact, when an airplane takes off, the materials in the hottest...
Catalyst University
Lineweaver-Burk Equation Theory and Derivation
Lineweaver-Burk Equation Theory and Derivation
Professor Dave Explains
Baeyer-Villiger Oxidation
We just learned how to make lactams out of cyclic ketones, is there a similar way that we can make lactones? There is! Try the Baeyer-Villiger oxidation. This is another one of those rearrangement type of reactions, only this time we are...