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| Ecology & Geology |
Well-traveled wasps provide hope for vanishing species
They may only be 1.5mm in size, but the tiny wasps that pollinate fig trees can travel over 160km in less than 48 hours, according to research from scientists at the University of Leeds. The fig wasps are transporting pollen ten times further than previously recorded for any insect.
Are the Alps growing or shrinking?
The Alps are growing just as quickly in height, as they are shrinking. This paradoxical result could be proven by a group of German and Swiss geoscientists. Due to glaciers and rivers about exactly the same amount of material is eroded from the Alp slopes as is regenerated from the deep Earth's crust. The climatic cycles of the glacial period in Europe over the past 2.5 million years have accelerated this erosion process. In the latest volume of the science magazine "Tectonophysics" the scientists prove that today's uplifting of the Alps is driven by these strong climatic variations.
Scientists prepare for large-scale glacial floods
Surging floods as powerful as the Amazon could hit parts of Europe within decades, according to new research.
African desert Rift confirmed as new ocean in the making
In 2005, a gigantic, 35-mile-long rift broke open the desert ground in Ethiopia. At the time, some geologists believed the rift was the beginning of a new ocean as two parts of the African continent pulled apart, but the claim was controversial.
Earthquakes actually aftershocks of 19th century quakes
When small earthquakes shake the central U.S., citizens often fear the rumbles are signs a big earthquake is coming. Fortunately, new research instead shows that most of these earthquakes are aftershocks of big earthquakes (magnitude 7) in the New Madrid seismic zone that struck the Midwest almost 200 years ago.
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Bedrock of a holy city: the historical importance of Jerusalem's geology
Jerusalem's geology has been crucial in molding it into one of the most religiously important cities on the planet, according to a new study.
By simulating gullies, geographers discover ways to tame soil erosion
Dead zones in critical waterways, accelerated loss of arable land and massive famines. They're all caused by the 24 billion tons of soil that are lost every year to erosion, a phenomenon that costs the world as much as $40 billion annually.
Giant impact near India, not Mexico, may have doomed dinosaurs
A mysterious basin off the coast of India could be the largest, multi-ringed impact crater the world has ever seen. And if a new study is right, it may have been responsible for killing the dinosaurs off 65 million years ago.
Arctic now traps 25 percent of world's carbon... but that could change
The arctic could potentially alter the Earth's climate by becoming a possible source of global atmospheric carbon dioxide. The arctic now traps or absorbs up to 25 percent of this gas but climate change could alter that amount, according to a study published in the November issue of Ecological Monographs.
Climate models don't tell the full story
Climate models that predict heavy rainfall don't give the whole picture, according to the results of a study by NWO scientist Martin Ziegler. He examined climate changes that have taken place over the past 800,000 years, and discovered that the melting icebergs in the North Atlantic and changes in the El Niņo Southern Oscillation have a great influence on the intensity of monsoon rains.
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| Quotes | If I work incessantly to the last, nature owes me another form of existence when the present one collapses. -- Goethe, 1829
If a few idiots want to risk their necks flying across the country thats fine, but nothing will ever replace trains.
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