Did every dinosaur become extinct?
Not all dinosaurs died out: birds are living dinosaurs. The other dinosaur groups disappeared about 66 million years ago.
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Prehistory & Natural Wonders
What was the world like long ago, and how do natural wonders form? Five learning pages explore ancient animals, traces, crystals and caves step by step.
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How did a woolly mammoth stay warm?
A woolly mammoth lost less heat thanks to thick fur, body fat and small ears. Think of a warm coat: it helps retain your body heat.
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How can a footprint become a trace fossil?
A footprint in soft ground can be quickly covered and preserved. Under suitable conditions the material hardens and retains the trace in rock.
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Why do crystals have such orderly shapes?
Crystals have ordered shapes because their tiny building blocks arrange regularly. Repeating that order during growth can create flat faces and edges.
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How do stones grow from a cave ceiling?
Water picks up tiny amounts of limestone material as it passes through rock. This dissolved material can be left behind in a cave.
Open learning page →Discover more dinosaurs
A dinosaur area of its own: T. rex, Triceratops, long-necked dinosaurs, eggs and dinosaur detectives.
Explore the dinosaur area →Discover Natural Wonders
Camouflage, trapping leaves, Ice Age animals, storms, caves and the deep ocean: nine learning journeys with pictures, examples and explained terms.
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