How climate change may amplify the impact of earthquakes in the Arctic
Permafrost refers to permanently frozen ground. The rock is held together by ice, much like cement binds concrete. However, when the ice thaws, the ground becomes weak and unstable. During an earthquake, this can trigger a series of natural hazards. An international research team investigated precisely such an event.
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'Heel-strike' may have allowed early humans to walk farther—at the cost of high-impact forces
