Lessons from the frontline: why the experiences of soldiers in the Vietnam War made doctors rethink how they treat severe trauma wounds. Biology - Human Body - Learning Points. During the Vietnam War, emergency blood transfusions given...

Taste is a survival instinct: we instinctively dislike bitter or sour tastes in case food is off or poisonous. An introduction to the tongue and how it helps us to taste. Biology - Being Human - Learning Points. Taste is a survival...

Genetic variation produces new characteristics and, over generations, drives the evolution of species. But how do new gene types arise and what are the processes behind evolution? Biology - Adaptation And Evolution - Learning Points....

Examples of physical and behavioural adaptations which allow plants and animals to survive in some of the most challenging habitats on Earth. Biology - Adaptation And Evolution - Learning Points. Animals and plants survive in diverse...

What scientists believed was a technical fault with their equipment turned out to be radiation left over from the Big Bang - one of the greatest astronomical discoveries of the 20th century. Physics - Universe - Learning Points....

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...

Darwin's theory of Natural Selection reveals an intense struggle for existence: a constant fight between individuals, species, and their physical environment, where only the fittest survive. Biology - Adaptation And Evolution - Learning...

Over millions of years, fish species evolved to leave water and survive on land, producing the characteristics shared by all amphibians. Biology - Animal Kingdom - Learning Points. The coelacanth is a lobe-finned fish that evolved 400...

It's been 65 million years since the dinosaurs became extinct. But what wiped them out? Hear arguments from the Gradualists and Catastrophists. Biology - Adaptation And Evolution - Learning Points. 65 million years ago the dinosaurs...

Scientists hoped the first mission to Mars would reveal life on the red planet. What did the mission find? Physics - Universe - Learning Points. Percival Lowell believed there were canals and cities on Mars. In 1965, NASA probe Mariner 4...

Our thumbs are complex instruments; we need big brains to control them. Are they the reason behind the evolution of superior human intelligence? Biology - Human Body - Learning Points. The evolution of our hands and our large brains are...

Homo ergaster had a huge brain and lived in complex social groups, but his evolution was stunted for a million years, until he discovered fire. Biology - Adaptation And Evolution - Learning Points. Homo ergaster evolved from homo habilis...

How are new species created? An insight into the key evolutionary processes, played out over many generations, which lead to speciation. Biology - Adaptation And Evolution - Learning Points. We all originate from a single cell, so why...

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...

An introduction to the ‘mammal-like reptiles’ that walked the Earth millions of years before the dinosaurs – and from which all modern-day mammals would eventually evolve. Biology - Animal Kingdom - Learning Points. Early reptiles split...

The creation, controversy and competition surrounding the publication of Darwin's most iconic work: The Origin of Species. Biology - Adaptation And Evolution - Learning Points. Darwin, an English scientist, worked on his theory of...

A look at the main causes of extinction from new diseases to climate change to competition from another species. Biology - Adaptation And Evolution - Learning Points. Extinction is a natural part of the evolutionary cycle. It occurs more...

How are asteroids in our Solar System formed, where are they found, and what danger do they pose to life on Earth? Physics - Our Solar System - Learning Points. Asteroids are made from rock, metal or carbon, while comets are made of rock...

The adaptations of predators and prey are vital for their survival, and help to drive the evolution of species. Biology - Adaptation And Evolution - Learning Points. Predators are animals that kill other animals for food - their prey....

Why was the development of early agricultural techniques a crucial evolutionary step? Discover how early farming techniques transformed Neanderthal Man. Biology - Adaptation And Evolution - Learning Points. The last ice age ended 12,000...

Billions of years ago, Earth collided with its twin planet Theia. The impact and resulting geophysical changes prepared Earth for complex life. Physics - Our Solar System - Learning Points. 4 billion years ago Earth had a twin called...

They walked on two legs, laid their eggs in nests, and some even glided through the air – find out more about the theropod dinosaurs, from which all birds evolved. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film....

The discovery of Titan's atmosphere excited scientists, who believe it could hold the key to life on Earth. Physics - UniverseLearning Points. Titan is the only moon in the Solar System with a dense atmosphere. Titan's atmosphere is 98%...

Find out how reptiles evolved from early amphibians, and the adaptations that allowed them to thrive on dry land. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key learning points. Get straight to the...