Year in review: Pacific Plate slides over slick layer
Mantle might not drive movements after all
SHAKY GROUND Researchers drag sensors across the ocean near New Zealand to study ocean floor vibrations, adding data to the debate about how the Earth moves deep underground.
NZP&M
With 6,000 kilograms of dynamite and an ear to the ground, a team of geologists shook the understanding of plate tectonics this year.