TED-Ed
TED-Ed: You are your microbes - Jessica Green and Karen Guillemin
From the microbes in our stomachs to the ones on our teeth, we are homes to millions of unique and diverse communities which help our bodies function. Jessica Green and Karen Guillemin emphasize the importance of understanding the many...
Be Smart
Carbon and Oxygen and You: Explained
A little bit of explanation for the cycle of carbon and oxygen
SciShow
9 Scientific Cooking Techniques
All cooking is science: we use chemistry and physics to steam, fry, bake, or microwave almost all of our meals. However, there are some cooking methods that delve into even deeper and stranger scientific territory.
SciShow
The Only Animal That Can't Breathe Oxygen
Oxygen is so essential for animals that every multicellular species we’ve ever studied has the ability to use oxygen to create energy... except one.
SciShow
What Makes Sourdough Bread Sour?
With sandwiches and toast, sourdough bread always adds an extra accented flavor to your meals. But where does the signature tartness come from?
Bozeman Science
Lipids
In this video Paul Andersen describes the lipids (of the fats). He explains how they are an important source of energy but are also required to cell membranes. He explains how the hydrocarbon tails in triglycerides contain energy...
TED-Ed
TED-Ed: How do carbohydrates impact your health? - Richard J. Wood
The things we eat and drink on a daily basis can impact our health in big ways. Too many carbohydrates, for instance, can lead to insulin resistance, which is a major contributor to cardiovascular disease and Type 2 Diabetes. But what...
TED-Ed
TED-Ed: The secret language of trees - Camille Defrenne and Suzanne Simard
Learn how trees are able to communicate with each other through a vast root system and symbiotic fungi, called mycorrhizae. -- Most of the forest lives in the shadow of the giants that make up the highest canopy. These are the oldest...
Bozeman Science
Carbohydrates
Paul Andersen begins by explaining the structure and purpose of carbohydrates. He describes and gives examples of monosaccharides, disaccharides, oligosaccharide and polysaccharides. He explains how they grow through dehydration...
TED-Ed
TED-ED: A brief history of alcohol - Rod Phillips
Nobody knows exactly when humans began to create fermented beverages. The earliest known evidence comes from 7,000 BCE in China, where residue in clay pots has revealed that people were making an alcoholic beverage from fermented rice,...
SciShow
The Science of Alcohol: From Beer to Bourbon
Alcohol has been an important part of human culture for a very long time, and from the basic process, we've figured out how to create a wide variety of alcohol beverages!
Bozeman Science
Biological Molecules
Paul Andersen describes the four major biological molecules found in living things. He begins with a brief discussion of polymerization. Dehydration synthesis is used to connect monomers into polymers and hydrolysis breaks them down...
SciShow
Pickles, Probiotics, and Why Rotten Food Is Good For You
Probiotics eat our food for us and help us digest. Gross? Or amazing?? Hank explains why we need bacteria and how cool it is.
SciShow
The Hamster That Saved Thousands of COVID Patients
Forget lab rats — meet the Chinese or striped-back hamster, an unassuming little rodent whose role in research over the years has led to breakthroughs in genetics, pharmaceutics and more!
SciShow
New Bacterial Enzymes Could Revolutionize Blood Donations SciShow News
Blood banks need a constant supply of donors to maintain their supply, but some enzymes that are already in our bodies might be able to help!
TED-Ed
TED-Ed: How mucus keeps us healthy - Katharina Ribbeck
Your body produces more than a liter of mucus every day, and when you're sick, it can be hard to miss. But what exactly is mucus? And what does it do, besides making you miserable? Katharina Ribbeck reveals the mysteries of this...
SciShow
Why Are There Bacteria In My Yogurt?
Having bacteria in your food doesn't really sound great, but you couldn't have yogurt without it! Learn why in this week's QQ!
Bozeman Science
Plant Nutrition and Transport
Paul Andersen explains how nutrients and water are transported in plants. He begins with a brief discussion of what nutrients are required by plants and where they get them. He shows you dermal, vascular and ground tissue in monocot and...
Curated Video
Meet the ADORABLE disaccharides - maltose, sucrose and lactose
When 2 monosaccharides come together and form a glycosidic bond, they become a disaccharide. In this video, we will be looking at the structure and examples of disaccharides we find in nature.
Infognostica
Five dietary deficiencies that cavemen didn't have...
Our modern diet is rife with specific dietary deficiencies. This explores just 5 discrepancies between our diet, and that of our primal ancestors. Fig Leaf Rag Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By...
Curated Video
Photosynthesis: Converting Sunlight into Chemical Energy
The process that plants use to convert energy from the Sun into chemical energy. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Plant Transport
How does a tall tree draw water from its roots to its leaves? And how does food made in leaves reach the rest of a plant? Discover how plants transport resources via the xylem and phloem. Biology - Plants - Learning Points. Transpiration...
Curated Video
Why Do Leaves Change Colour?
Throughout the year, some leaves change colour from green, to yellow, to red. Discover the role chlorophyll, carotene and anthocynanin pigments play in making this happen. Chemistry - Reactions - Learning Points. Leaf colour depends on...
Curated Video
Microbes in Milk
We examine the number of microorganisms in different types of milk using resazurin indicator. Samples of pasteurised milk, UHT milk and powdered milk are left in the open for three days before resazurin indicator is added and the samples...