For many years, researchers have been puzzled at how certain microorganisms are apparently capable of passing through carbonate-based substrates such as coral skeletons, limestone, mussel shells and sand grains. A new investigation finally sheds some light on this long-standing mystery.Arizona State University (ASU) ... |
1 December 2010
06:08 GMT |
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Clarisse, the oldest snake to be discovered perfectly preserved in limestone, underwent a CT scan at The Methodist Hospital in Houston, Texas, but the fossil managed to keep some of its secrets, despite all the advanced technology. The snake was found by paleontologist Hussan Zaher in the Fossil Butte region of Wyom... |
13 September 2010
10:33 GMT |
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Nanotechnology was necessary in order for this cement to exist. The CSIC - Consejo Superior de Investigaciones Científicas working with the Spanish company Tecnalia, developed two patents that allowed the creation of this environmental-friendly cement. Traditional cement is obtained by limestone's calcina... |
16 July 2010
09:03 GMT |
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The most spectacular calcareous relief in the world could be considered the Chinese Stone Forest. The Stone Forest National Park of Shilin-Lunan (Yunnan) is located in the Lunan Yu Autonomous County, 126 km (79 mi) southeast of Kunming, at altitudes of 1,700-2,000 m. It has an area of over 340 square km (135 square m... |
26 February 2008
08:51 GMT |
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This is one of the most beautiful natural wonders. Mexico's Cueva de los Cristales (Cave of Crystals) harbors one of the largest natural crystals ever discovered: translucent gypsum beams up to 36 feet (11 meters) long and weighing up to 55 tons. Located a thousand feet (300 meters) below Naica mountain in the C... |
10 April 2007
02:55 GMT |
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