Massive earthquakes that struck the town of New Madrid, Mo., in 1811 can be traced to the actions of the mighty Mississippi River thousands of years earlier, a new study in the journal Nature suggests, msnbc.msn.com writes.
Forklarer synkhullA Harrisburg engineering firm has pinpointed the causes of a persistent sinkhole in front of the Palmyra Bowling Center and Sinkhole Saloon in North Londonderry Township. Read more at idnews.com. 29.07.2010
Les hele saken | BrufjellhåleneNede ved kysten under Brufjell ligger jettegrytene som perler på en snor. De ligger på en plattform ca. 20 meter over dagens havnivå og ses som store grotter. Brufjellhålene er synlige bevis på klimaendring, istid, landhevning og havstigning. 27.07.2010
Les mer | |
Overlevde forsurningResearchers studying an ancient episode of high ocean acidity have discovered that a group of marine creatures living at the time adapted to the change in water chemistry. But the findings may provide little comfort for scientists worried about ocean conditions today, which are changing much more quickly, sciencemag.org writes. 28.07.2010
Les hele saken | Oljens effekt på miljøetDe sårbare våtmarksområdene i Louisiana burde komme seg i løpet av få måneder etter oljeutblåsningen, og effekten på miljøet blir ganske liten, mener BPs ekspert. Det skriver forskning.no. 27.07.2010
Les hele saken |
— The Banda arc -- a gigantic 1,000km long, 180-degree curve in eastern Indonesia -- has puzzled geologists for many years, with much debate and controversy surrounding its complex origin and evolution. A solution to this enigma, resolving many of the previous problems, has finally been found. Read more at sciencedaily.com.
Tiny variations in the isotopic composition of silver in meteorites and Earth rocks are helping scientists put together a timetable of how our planet was assembled, carnegiescience.edu writes.
Greenland’s ice is melting so quickly that land underneath is rising at an accelerated pace. Read more at geology.com.
Researchers poring over Google Earth images have discovered one of Earth's freshest impact craters -- a 45-meter-wide (148-foot-wide) pock in southwestern Egypt that probably was excavated by a fast-moving iron meteorite no more than a few thousand years ago, discovery.com writes.
Understanding the processes that cause volcanic eruptions can help scientists predict how often and how violently a volcano will erupt. Read more at geology.com.
At what concentration of carbon dioxide in the atmosphere does global warming cause the loss of the Antarctic ice sheet? U.S. geologists say they may have found the answer -- or at least an important clue -- in a bone-dry desert in Egypt, discovery.com writes.
A team of geologists at the California Institute of Technology (Caltech), working with colleagues at the University of Tennessee, has found structurally bound hydroxyl groups (i.e., water) in a mineral in a lunar rock returned to Earth by the Apollo program, sciencedaily.com writes.
The widespread belief that Earth's diamond deposits were formed when coal was subjected to high heat and pressure is one of the most common misconceptions in science. Read more at geology.com.
