In 1923, a magnitude 7.9 earthquake devastated the Tokyo area, resulting in more than 100,000 deaths. About 200 years earlier, in 1703, a magnitude 8.2 earthquake struck the same region, causing more than 10,000 deaths.
Earth Sciences
Jan 31, 2012
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Negative ions play an important role in everything from how our bodies function to the structure of the universe. Scientists from the University of Gothenburg, Sweden, have now developed a new method that makes it possible ...
General Physics
Nov 29, 2011
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Australian scientists have reconstructed the past six thousand years in estuary sedimentation records to look for changes in plant and algae abundance. Their findings, published in Global Change Biology, show an increase ...
Environment
Nov 29, 2011
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Researchers at Queen's University have helped produce a new archaeological tool which could answer key questions in human evolution.
General Physics
Feb 11, 2010
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(PhysOrg.com) -- The surprising increase in methane concentrations millennia ago, identified in continental glacier studies, has puzzled researchers for a long time. According to a strong theory, this would have resulted ...
Earth Sciences
Jan 14, 2010
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Five hundred years ago, in a mountain-rimmed ocean fjord in southeast Alaska, Tlingit hunters armed with bone-tipped harpoons eased their canoes through chunks of floating ice, stalking seals near Sít Tlein (Hubbard) glacier. ...
Ecology
Jun 8, 2024
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The period of time when anatomically modern humans first appeared in a particular region is always hotly debated amongst scientists. In western Europe, the contested region is the Iberian Peninsula, considered the last region ...
Archaeology
Nov 3, 2021
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Last month, unusually high winds knocked down 15 giant sequoias in Yosemite. If you haven't had a chance to see them in person, giant sequoias are big—like, warp-your-sense-of-scale and melt-your-brain big. Then, once you've ...
Plants & Animals
Mar 16, 2021
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Interest in the origins of human populations and their migration routes has increased greatly in recent years. A critical aspect of tracing migration events is dating them. However, radiocarbon techniques commonly used to ...
Archaeology
Jun 18, 2018
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In Jeju, a place emerging as a world-famous vacation spot with natural tourism resources, a recent study revealed a volcanic eruption occurred on the island. The Korea Institute of Geoscience and Mineral Resources (KIGAM) ...
Earth Sciences
Jul 22, 2014
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