Science ABC
Current Vs Voltage: How Much Current Can Kill You?
Voltage vs current, or sometimes it's current vs voltage; we are constantly trying to understand the differences between these two entities related to electricity. Then, there is sometimes one more entity: resistance. How do these three...
Science ABC
Can A Skin-Colored Tattoo Cover Up A Bad, Older Tattoo?
Permanent tattoos are created by penetrating almost half a millimeter deep into the skin. This means that these tattoos are actually “inside” the skin, so they cannot be hidden by adding a flesh-colored tattoo. This technique can also...
Science ABC
Are Zebras Black with White Stripes or White with Black Stripes?
Zebras are actually black with white stripes. All animals get their colors from pigments called melanin which are of two kinds - eumelanin gives a black to brown color which pheomelanin gives reddish to yellow hues. The cells that create...
Science ABC
Chameleon Chromatics: How They Change Color and Why
Chameleons dont change their color for camouflage, as most people think. They cant perfectly match your crazy pink curtains or blend into your blue couch. As much as Pascal from Disneys Tangled might change his colors on whim, alas, that...
Science ABC
Why Is Blood Drawn From Veins And Not From Arteries?
Experts use veins to draw blood for blood testing, blood donation, and more because the structure and position of veins make it easier to draw blood out of as compared to arteries. It may also be dangerous to draw blood from arteries.
Science ABC
Why Heart Cancer Is So Rare It (Almost) Never Happens
The heart is practically immune to getting cancer. 2 in 100,000 of those who have cancer are those with a primary cancer of the heart. That is an astonishing low number. So, what is so special about the heart that it rarely, if ever,...
Science ABC
Why Does Scratching Your Back Feel So Satisfying?
We have all spent days staring at the computer screen with stiff backs, holding awkward positions without realizing it. Unconsciously, we move our fingers across our backs in motions similar to those of scratching. In no time at all,...
Science ABC
Why Do We Have Lines On Our Palms?
The lines on our palms are known as palmar flexion creases, and they’re there to help us fold, stretch, squeeze, scrunch and do other such things without excessively stretching or squeezing the skin on the hands. The lines on our palms...
Science ABC
Why Do Healing Wounds Itch?
When our body sustains a wound, new cells are formed near the edges of the injury and then move down to the base of the wound. Once these cells have migrated to the center of the wound, they connect with other cells nearby. Once this...
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
Electrode
An electrical conductor that connects to a non-metallic part of a circuit. 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
Vitamin
An organic compound required by organisms in very small quantities for growth and to maintain good health. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Tissue
A collection of cells in an organism that have similar appearance, structure and function. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Homeostasis
The maintenance of a stable internal environment. 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
Factpack: Why Do Teens Get Spots?
Find out what's happening during puberty that causes spots. Biology - Being Human - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at the start of a learning...
Curated Video
Bee Stings
When and why do bees sting? And what happens in the human body when they do? Why are bee stings only a nuisance to some people, but life threatening to others? Biology - Cells And DNA - Learning Points. Bees sting people to protect...
Curated Video
Streamlined: Dolphins vs People
Discover the differences in evolutionary adaptation between dolphins and humans, which allow these marine mammals to move through water far more easily and efficiently than us. Physics - Forces - Learning Points. Dolphins can swim faster...
Curated Video
Aerodynamics in Cycling
The cutting edge bike and clothing designs that make cyclists more aerodynamic and can make the difference between winning and losing. Physics - Forces - Learning Points. A professional cyclist's main aim is to reduce air resistance. New...
Curated Video
How We Balance: Part 2
Learn how the brain, eyes, skin and muscles help us achieve the incredible challenge of balancing. Biology - Being Human - Learning Points. Your brain maintains balance by combining information from you eyes, ears, skin and muscles. Your...
Curated Video
Germs and Hygiene
Explore where germs are found, how they can affect us, and how basic hygiene can help us avoid becoming unwell. Biology - Healthy Living - Learning Points. Pathogens are microbes that cause disease. Good hygiene is the best way to limit...
Curated Video
Asellus Blood Flow
We use a microscope to examine the blood flow in the open circulatory system of asellus aquaticus. We are able to see the haemolymph moving through its limbs in different directions. Biology - Human Body - Learning Points. Large...
Curated Video
The Senses
We make sense of the world around us through touch, smell, sight, taste and sound. But what are these senses and how does the body and brain process them? Biology - Being Human - Learning Points. Our senses detect information from our...
Curated Video
How We Touch
How the four sensory receptors in our skin, which detect heat, cold, pain and pressure, help us to feel an object, and can even help us tell if we like something or not. Biology - Being Human - Learning Points. The skin contains millions...
Curated Video
What is a Reptile?
Discover the five distinct features that unite all reptiles and the characteristics that they share with mammals, birds and fish. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key learning points. Get...