Subduction initiation may depend on a tectonic plate's history

Subduction zones are cornerstone components of plate tectonics, with one plate sliding beneath another back into Earth's mantle. But the very beginning of this process—subduction initiation—remains somewhat mysterious ...

An ocean 13 million years in the making

Spreading of the seafloor in the Red Sea basin is found to have begun along its entire length around 13 million years ago, making its underlying oceanic crust twice as old as previously believed.

Ancient beavers cut trees for food first, not to build dams

By studying the wood-cutting behaviour of ancient beavers that once roamed the Canadian high Arctic, an international team of scientists has discovered that tree predation—feeding on trees and harvesting wood—evolved ...

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