Permian–Triassic extinction event - Wikipedia
Plot of extinction intensity (percentage of marine genera that are present in each interval of time but do not exist in the following interval) vs time in the past.[1] Geological periods are annotated (by abbreviation and colour) above. The Permian–Triassic extinction event is the most significant event for marine genera, with just over 50% (according to this source) perishing. (source and image i
Scientists Will Track Fukushima Radiation To Study Ocean Currents
• Radioactive Isotopes Expected to Reach U.S. Coast In One To Two Years • Woods Hole Institute To Send Research Vessel To Japan Oceanographers know that the Kuroshio current sweeps west from Japan to the Central Pacific and then toward the U.S. West Coast, but they're less certain how it behaves after it branches toward Alaska and California. Radiation still leaking into the sea from the damaged F
BBC News - Volcanic climate change? Not likely, say experts
Watching the enormous plumes of dust and ash rising from Eyjafjallajokull, it is hard to imagine that this almost week-long eruption would not have any effect on weather and climate. But that is the likelihood; that the impact on Britons, Europeans and the citizens of the wider world will be limited to cancelled flights, with no other effects on the skies. Volcanoes produce tiny particles - aeroso
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