SciShow
Getting To Know Cows Inside and Out | Compilation
From being able to eat grass, to changing the weather with their burps: Cows are incredible creatures!
SciShow
Biofilm: A New (Gross) Thing to Worry About
Slime can be great, but when it's the wrong kind of slime (you know, the kind that can kill you?), it gets added to the list of things Hank wishes he didn't have to worry about. Scientists call it biofilm, and it's a type of bacterial...
SciShow
Why Do Dogs Eat Grass?
Why do dogs eat grass? A look at your pup’s wild relatives may give you a sense of what dogs’ diets are really like.
Amoeba Sisters
Enzymes (Updated)
The Amoeba Sisters explain enzymes and how they interact with their substrates. Vocabulary covered includes active site, induced fit, coenzyme, and cofactor. Also the importance of ideal pH and temperatures for enzymes are discussed.
TED-Ed
TED-ED: What is a calorie? - Emma Bryce
We hear about calories all the time: How many calories are in this cookie? How many are burned by doing 100 jumping jacks, or long-distance running, or fidgeting? But what is a calorie, really? And how many of them do we actually need?...
SciShow Kids
You Are What You Eat!
Join Jessi and Squeaks as they prepare a special meal for friends. You’ll learn some fun food science facts, like the difference between fruits and veggies and how your tongue works so you can taste food!
Curated Video
Amylase
An important digestive enzyme which breaks down starch into sugar. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Villi
Tiny outgrowths from the surface of some tissues and organs which serve to increase the surface area. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Bile
A bitter, dark green to yellow liquid produced by the liver, and stored in the gall bladder. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Absorption
In digestion, absorption is the movement of nutrients and other food chemicals from the gut into the bloodstream, which takes place in the small intestine. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds...
Curated Video
Appendix
A small, tube-like organ in the human body, attached to the start of the large intestine, and which appears to serve no useful function. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Curated Video
Omnivore
An animal that eats both meat and plant materials. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Hormones
Chemical substances produced in our bodies that act as messengers, communicating between our different cells and organs. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Peristalsis
Wave-like muscle contractions, such as those used to move food through the digestive system. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Factpack: Digestion
Amazing facts about digestive organs. Find out what they are, how they work, and how some animals' are different. Biology - Human Body - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic,...
Curated Video
Digestion
The mechanical and chemical breakdown of food in the body into simpler chemicals that can be absorbed and used in its metabolism. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Kidneys
Learn about how the kidneys function, regulate the salt levels in our bodies, filter our blood, and ultimately keep us alive. Biology - Human Body - Learning Points. The kidneys are located just below the ribs - one on each side of the...
Curated Video
Large Intestine
The final chapter in the journey of food through our digestive system: how bacteria transforms undigested matter into waste. Biology - Human Body - Learning Points. The large intestine is around 1.5m long and 6-7cm wide. The large...
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...
Curated Video
Insulin and Diabetes
Over 400 million people suffer from diabetes globally. What is diabetes, how is it caused, and what role does insulin play in its onset and treatment? Biology - Healthy Living - Learning Points. Insulin is a hormone that controls glucose...
Curated Video
Sea Stars
An introduction to sea stars, including one that’s a metre wide! Biology - Animal Kingdom - Learning Points. Sea stars are a type of echinoderm. All adult echinoderms have radial symmetry, which means their body parts are arranged around...
Curated Video
Carbohydrate
Molecules such as sugar and starch, which form an important energy source for living organisms. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Involuntary
As opposed to voluntary, an involuntary action is one that happens without any conscious control - for example a reflex response, or anything that someone does in their sleep. A Twig Science Glossary Film. Key scientific terms defined in...
Curated Video
Intestines
The intestines soak up food so it can be turned into energy for your body to use. Living things - My incredible body - Digestion Learning Points Digestion starts in the mouth, continues in the stomach, and then in the intestines. A Twig...