When Darwin first proposed the theory of evolution by natural selection 150 years ago it was revolutionary. What scientific evidence supports this theory? Biology - Adaptation And Evolution - Learning Points. Since Darwin proposed his...

Aeroplanes use the same forces and physical principles as birds to fly. Discover how man has copied nature to achieve flight. Physics - Forces - Learning Points. Flight occurs when the upward force (lift) is greater than the downward....

Our closest relatives are chimpanzees, with whom we share 98% to 99% of our DNA. But how similar does this actually make us? Biology - Adaptation And Evolution - Learning Points. Chimpanzees are our closest relatives, with whom we share...

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...

An introduction to two very different types of tortoise – the jousting angulate tortoises of Dassen Island, and the giant tortoises of the Galapagos. Biology - Animal Kingdom - Learning Points. Male angulate tortoises are very...

Scientists have found microbes frozen deep in the Antarctic ice sheets, in conditions very similar to the red planet's surface. Could life exist on Mars, in suspended animation? Physics - Universe - Learning Points. In 2001, a frozen...

A delicate balancing act between the Sun and Earth makes ours the only known life-bearing planet in our Solar System. Physics - Our Solar System - Learning Points. Earth is the only planet with liquid water. If a planet is too close to...

The science of organising and categorising different things into groups based on similarity. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

Take a closer look at a lizard that’s evolving right before our eyes! Life processes - Living things in their environments - Evolution Learning Points Living things are still evolving, but the process is very, very gradual. A Twig Tidbit...

Six images are shown on screen ... can you spot the animals that evolved from dinosaurs? Life processes - Living things in their environments - Evolution A Twig Tidbit Film - Spot the Difference. The children have to identify which...

Find out how the human skeleton evolved to allow us to walk on two legs. Life processes - Body systems - The human skeleton Learning Points Humans evolved to walk on two legs. A Twig Tidbit Film - Clip. A short film that extends the...

What do plants and animals have in common? Life processes - Green plants - Plants and their environments Learning Points Plants need water, air and light to grow. Plants can adapt to their surroundings to survive. A Twig Curriculum Film....

In the 1960s, silver foxes were bred in Siberia as an experiment in behaviour. What did this experiment show? Life processes - Living processes - Reproduction Learning Points Acquired characteristics are a result of environment and...

Meet the very unusual mudskipper fish – it can walk on land! Life processes - Living processes - Living things Learning Points All living things react to their environment. All living things reproduce. All living things need nutrition...

You might be born with some characteristics, but there are others that have to be acquired. Life processes - Living processes - Reproduction Learning Points Acquired characteristics are a result of environment and lifestyle. Inherited...

True or false… the ancestors of whales used to have legs? Life processes - Living things in their environments - Evolution Learning Points Whales are mammals. Whales evolved from four-legged land animals that adapted to live in water. A...

Find out how Charles Darwin changed the world! Life processes - Living things in their environments - Evolution Learning Points Charles Darwin proposed the theory of evolution in his book On the Origin of Species. Darwin developed his...

Find out how earwigs, elephants, poppies and flamingos are all related! Life processes - Living things in their environments - Evolution Learning Points All life descended from a simple organism. Species adapt to their environments....

Embark on a captivating exploration of Neanderthals, guided by the latest discoveries in archaeology and genetics. Discover how archaeologists unearth fossils and artifacts to piece together the Neanderthal puzzle, shedding light on...

Explore the fascinating world of Neanderthals, our closest extinct human relatives, and debunk common misconceptions surrounding their intelligence and behavior. Learn about the origins of the Neanderthal species, their coexistence with...

Dive into the complexities of Neanderthal extinction and uncover the various factors that may have contributed to their demise. Explore the role of climate change, genetic diversity, and competition with Homo sapiens in shaping...

Dive into the fascinating world of dolphins, exploring their significant differences from fish and understanding their remarkable intelligence. This educational journey contrasts dolphins with fish and sharks, highlighting their unique...

Delve into the characteristics of the biosphere, the sphere of Earth that encompasses all living organisms. Learn about biomes, ecological communities, and the vital role of life on our planet. Earth's Materials and Systems part 2

No other instrument is as closely associated with youth culture as the electric guitar. It took many years of evolution and technical advancement to get to the electric guitar as we know it, today.