As we look around the natural world that surrounds us, it is pretty obvious that it is amazing. But to understand the true wonder of our natural world you need to take a closer look and delve into the mysteries that scientists have discovered over the centuries. From investigating the impact of invasive species to piecing together the life story of a dinosaur, the work of scientists sheds a whole new light on the world that surrounds us.
But how can a scientist know what a T-Rex looked like, how do they work out the way that continents have moved throughout the millenia, and how can something as simple as a garden plant unleash chaos on entire ecosystems?
So join with us as we ask How Do They Know That?
Explore the nature of the Earth itself in Dynamic Earth.
Unearth the hidden history the can be found in Fossils.
Find out how scientists turn into detectives when they uncover the secrets that fossils have kept hidden for millennia in Palaeobiology.
Unpick the complex interactions between organisms that makes up Ecology.
Learn how the tiniest creature can cause catastrophic consequences when it turns up in the wrong location in Invaders.
Explore the ways in which we can put right damage done to our natural landscape, in Restoring Habitats.
British Isles - A User's Guide To Natural History in more depth:
OU on the BBC: British Isles - A User's Guide To Natural History - How Do They Know That?
The Open University
When scientists tell us what dinosaurs looked like, how can they be certain? How do they know that reveals these and other secrets. Read more : OU on the BBC: British Isles - A User's Guide To Natural History - How Do They Know That?
What's Beneath Our Feet?
Production team
The rocks and minerals that lie beneath the surface of the UK Read more : What's Beneath Our Feet?
The Big Freeze
Production team
Discover how the Ice Age shaped the British Isles Read more : The Big Freeze
Rock Clocks
BBC
Janet Sumner describes how we can tell the history of the climate from clues left in the rocks Read more : Rock Clocks
The Flood of 1953
BBC
Paul Brown recalls the flood of 1953 - and its fatal consequences Read more : The Flood of 1953
Holding back the tide
Production team
Managing flooding might prove more effective than a losing battle with the tides, explains Paul Brown Read more : Holding back the tide
Last Gasp
Production team
Jonathon Porritt offers his opinion on the prospects for the environment Read more : Last Gasp
Invaders - An Introduction
Used with permission
The impact that the invasion of exotic plants and animals has had on the British Isles - introduction Read more : Invaders - An Introduction
Palaeobiology - The Biology of Ancient Organisms
Adam Smith
Palaeobiology - an introduction to the subject Read more : Palaeobiology - The Biology of Ancient Organisms
Dynamic Earth - Introduction
NASA
The Earth isn't a solid mass of rock - it's moving all the time Read more : Dynamic Earth - Introduction
The Great British snail hunt
Nova Development Corporation
Counting snails can reveal more than just how many snails there are – they provide vital clues about the state of the environment. That's why... Read more : The Great British snail hunt
Geology toolkit
Production team
Discover the unique landscape of the British Isles with our interactive Geology Toolkit, featuring a geology timeline, rock analyser, rock cycle, landscape features and safety... Read more : Geology toolkit
A natural history glossary
BBC
An A to Z of key terms in natural history Read more : A natural history glossary
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