Science fiction films like 'The Fly' and 'Mothra' will show you giant insects creating havoc and destroying world order with their giantness. But, is that even possible? Science says, not really. When the insect's exoskeleton expands it...

According to phylogenetic classification, a "reptile" is any organism descended from the original group of reptiles, which includes birds. Thus, birds are reptiles by this method of classification, much like everything that descended...

Microscopic air sacs in the lungs where gas exchange takes place between blood and the atmosphere.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

The fusion of two sex cells to create a new organism.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...

Or egg, is the unfertilised female reproductive cell.
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br/>

A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...

Wave-like muscle contractions, such as those used to move food through the digestive system.
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br/>

A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

Another word for fertilisation - when two sex cells combine to create a new organism.
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br/>

A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

Also known as the womb, the uterus is a pear-shaped, hollow, muscular organ in mammals.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

The remora fish has a unique way of conserving energy.



Biology - Animal Kingdom - Learni

ng Points.

Remora fish have a large suctorial disc on their heads, which they use to hitch a

ride on bigger...

An introduction to the echidna - one of the world's few egg-laying mammals. Find out what it looks like, where it lives, and what it eats. Biology - Animal Kingdom - Learning Points. Egg-laying mammals are called monotremes. The echidna...

Lions are one of the most social big cats. Watch how lionesses hunt as a team to catch their prey. Biology - Animal Kingdom - Learning Points. Female lions live together in prides. Male lions form coalitions that compete for possession...

The African elephant matriarch leads her herd hundreds of kilometres across the desert each year to find fresh food and water. Biology - Animal Kingdom - Learning Points. During the dry season, African elephants must travel hundreds of...

The grizzly bear must store up to one million calories to survive through winter hibernation. As a result, this mammal's waking life revolves around food. Biology - Animal Kingdom - Learning Points. Grizzly bears need to build...

An introduction to the duck-billed platypus - one of the world's few egg-laying mammals. Find out what it looks like, where it lives, and what it eats. Biology - Animal Kingdom - Learning Points. The duck-billed platypus is native to...

Gelada baboons have developed a complex system of social interactions to survive. They have even formed an alliance with other grazing species.



Biology - Animal Kingdom - Learni

ng Points.

Gelada baboons...

Koalas sleep for 22 hours of the day. Why is this? Discover the lifestyle of this marsupial, which lives in very distinct social groups.



Biology - Animal Kingdom - Learni

ng Points.

Ko

alas are...

The forest elephants of Africa come from far and wide to find a vital part of their diet - clay.



Biology - Animal Kingdom - Learni

ng Points.

Forest elephants c

reate jungle trails.

Forest...

Discover the reason for the sloth's slowness and how this has been an evolutionary advantage.



Biology - Animal Kingdom - Learni

ng Points.

Sloths lead a solitary life consisting of minima

l physical...

Find out how humans can overcome biological responses to hold their breath underwater for several minutes.



Biology - Human Body - Learni

ng Points.

When we hold our breaths, our lungs signal the brain to...

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...

The lives of Asian and African elephants, from what they eat, to where they live, and what's threatening them. Biology - Animal Kingdom - Learning Points. There are two main species of elephant - African and Asian. African elephants are...

Biological evolution has allowed some animals to fly. Find out exactly how their wings work to achieve this. Physics - Forces - Learning Points. Flight occurs when the upward force is greater than the downward. Flight is explained by...

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...

An organic compound containing nitrogen that plays an important role in animal metabolism, and is excreted in the urine of mammals. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...