Curated Video
Células madre: origen de la especialización celular
Células no especializadas que se pueden subdividir repetidamente o transformarse en distintos tipos de células especializadas.
Twig - Biología
Curated Video
Valence Bond Theory: A Journey into Chemical Bonding
Valence Bond (VB) theory explains how chemical bonds form through the overlap of atomic orbitals, where electron pairs are shared between atoms. The key concepts include: Atomic Orbital Overlap: Bonds form when atomic orbitals from...
Curated Video
Bone structure made easy!
Every bone in our body is different. They all have different structures and can be divided into several types, depending on shape, size and function.
Science ABC
Do bones decompose? How long does it take for bones to decompose?
Ever wonder why bones can survive hundreds of years without decomposing? This is due to the unique composition of bone. Bone is primarily composed of a very stable protein called collagen and the mineral calcium. The association between...
Science ABC
Why Do Babies Have More Bones Than Adults?
A baby is born with around 300 bones, whereas a grown adult has 206 bones. Cartilage, a rubber-like padding that shields the ends of long bones at the joints, is the reason behind this. Babies are born with more cartilage (than bone),...
Food Farmer Earth
Mastering the Craft: A Day in the Life of a Traditional Old- Styled Butcher
Discover the detailed process and passion behind traditional old-styled butchery. Learn how a skilled butcher turns various cuts of meat into culinary treasures, maintaining a connection to food's origins.
Great Big Story
Crime scene of the wild, unveiling the national Wildlife forensics lab
Explore the unique mission of the Oregon-based lab dedicated to solving wildlife crimes and preserving endangered species.
Curated Video
Bones
Bones are living, growing tissues. What are they made of and how do they develop from young to old? Biology - Human Body - Learning Points. Bones support the body and protect vital organs. When you are born you have around 300 bones,...
Curated Video
What is a Mammal? - Mammal Characteristics
What is it about the way mammals are born, and reared, that makes them unique in the animal kingdom? Learn the major characteristics that make a mammal, a mammal. Biology - Animal Kingdom - Learning Points. Mammals are warm-blooded...
Curated Video
Fossil Evidence
Studying fossil evidence reveals how organisms have changed over time. What are fossils and how are they formed? Biology - Adaptation And Evolution - Learning Points. Fossil hunters are called paleontologists. Paleontologists study...
Curated Video
Waves in Medicine
The properties of high frequency electromagnetic radiation are incredibly important in the world of medicine, allowing physicians to look inside the human body and even combat cancer. Physics - Waves - Learning Points. X-rays and gamma...
Curated Video
Evolution of Man: The Evidence
Discover how fossils help scientists to piece together evolutionary changes in early man - and how one very special fossil in Africa led historians down an exciting new path. Biology - Adaptation And Evolution - Learning Points. Fossils...
Curated Video
Metals in Medicine
Metals are used in the human body for a wide range of medical purposes. Discover which metals are used and what properties they have that can help to heal us. Chemistry - Periodic Table - Learning Points. Titanium, stainless steel and...
Curated Video
What Makes Up the Electromagnetic Spectrum?
From radio waves to gamma rays, the electromagnetic spectrum is useful in different ways. How does this radiation differ and how can they be used? Physics - Waves - Learning Points. Electromagnetic radiation exists along a continuous...
Curated Video
Vitamin Deficiencies
How an investigation into a skin disease in the American Deep South revealed the true value of a healthy diet - and what happens when you don't consume enough vitamins. Biology - Healthy Living - A lack of specific vitamins can cause...
Curated Video
How Did Fish Evolve?
Journey through the evolution of fish, from the first vertebrate to the fish species that would eventually evolve to crawl onto land. Biology - Animal Kingdom - Learning Points. The first fish was called Haikouichthys, and it evolved in...
Curated Video
An Ancient Olympian
What the discovery of a skeleton over 2,000 years old tells us about the training techniques of ancient olympians. Biology - Human Body - Learning Points. In 1959 the tomb of an ancient Olympian was discovered in Taranto, southern Italy....
Curated Video
Stem Cells: Versatile Cells with the Potential to Specialize
Unspecialised cells that can divide repeatedly and develop into different types of specialised cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
The Human Skeleton: Know Your Bones
The leg bones are said to be stronger than concrete. Do you know the names of the bones in your leg? Life processes - Body systems - The human skeleton Learning Points The bones of the leg are the femur, tibia, fibula and kneecap. The...
Curated Video
Amazing muscles
Which uses more muscles: smiling or frowning? Life processes - Body systems - Joints and muscles Learning Points Muscles are vital for movement. Skeletal muscles are those that are attached to bones. Muscles often work in pairs,...
Curated Video
Ball and socket joints
What do a baseball player's shoulder and a dolphin's flipper have in common? Life processes - Body systems - Joints and muscles Learning Points A joint is where two bones join together. Not all joints in the body move. A ball and socket...
Curated Video
Allosaurus
How fossilised bones have allowed palaeontologists to unlock the story of an Allosaurus' life. Life processes - Body systems - The human skeleton Learning Points The shape of bones can reveal habits and lifestyle of an organism. A Twig...
Curated Video
Holy Bat Swarm! It’s Halloween! Part 3
Video 7 of the Echolocation Unit. Time is running out, and JP is mere moments away from activating the bat blaster beam. This ill negatively affect the bats’ ability to echolocate, and they’ll be trapped inside the bat cave forever!!...
Curated Video
From Bats to Submarines: Sonar and Climate Change Solutions
Video 5 of the Echolocation Unit. This segment transitions from bats to human technology by explaining how sonar was developed as a form of echolocation to help ships, especially submarines, navigate in the dark depths of the ocean....