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Articles sur Woolly mammoth

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Mammoths went extinct tens of thousands of years ago, but trade in their ivory is threatening their living elephant cousins. EPA/FREDERICK VON ERICHSEN

Why we need to protect the extinct woolly mammoth

Melting Siberian permafrost is exposing long-dead mammoths, creating a new trade in mammoth ivory.
The now-extinct giant beaver once lived from Florida to Alaska. It weighed as much as 100 kilograms, roughly the same as a small black bear. Illustrated by Luke Dickey/Western University

Why giant human-sized beavers died out 10,000 years ago

Scientists studied the fossilized bones of giant beavers to understand what they ate and whether the species could keep up with environmental change.
Hold on: before we bring dinosaurs back to life as in Jurassic World, we need to look at other extinct critters first. Universal Pictures and Amblin Entertainment

Before we build Jurassic World we need to study recent extinctions

Jurassic World is opening in cinemas this Thursday and again raises the idea of resurrecting extinct creatures. But there’s plenty of other contenders before we even think of recreating dinosaurs.

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