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The Oldest Spider Still A Life Posted: 18 Nov 2009 08:24 AM PST Fine net spider made about 140 million years ago was found preserved in amber. Nets are found in Sussex, England, was preserved when the sap resin before it hardens and menggenanginya petrified. In the same stone was also found in the rest of the plant, insect droppings, and ancient microbes. "This is a spider web of the oldest ever found by our fossil record," said researcher Martin Brasier of Oxford University, Saturday (31/10). Brasier and colleagues using a computerized technique called confocal microscopy to reconstruct and examine the net and knot. Some things, including the nodes which are connected using a sticky fluid, indicates that the net was made by a spider that is related to spiders modern garden. "This spider is also placed along the sticky nets to trap their prey," Brasier said. "The remains of the sticky liquid come preserved in amber. The analysis of these nets also provide clues about the food of spiders. I think, based on web forms, this animal preys on flying insects such as flies and bees ancestors, wasps, and beetles, "Brasier said. In 2006, the researchers found cobwebs are also preserved in amber. He was about 136 million years.

New Ocean In Africa??? Posted: 18 Nov 2009 07:37 AM PST Slit along the 55 kilometers in the desert of Ethiopia is expected to develop into a new ocean. 6 meters wide slit at some point it begins to open in 2005, and some geologists believe it will become the embryo of a new ocean. In a study involving a team of international sciences and reported in the journal Geophysical Research Letters, revealed that the gap formation process is similar to what happened in the bottom of the ocean. The same activity is happening today in the Red Sea. Using seismic data set from 2005, the researchers tried to reconstruct events to show that the gap is open throughout the 55 kilometers in just a few days. Initially, Dabbahu, which is a volcano at the north end of the crack, split, and the flow of magma pushed through the middle of the gap and began to open cracks in both directions. "We know that the mountains appeared from the ocean floor as magma pressure, but we'll never know that the magma pressure can make it split like this," said Cindy Ebinger, Professor of Earth and Environment at Rochester University. It shows that the active volcanoes along the edge of the ocean tectonic plates can suddenly broke out in large part, and not in small part as believed so far. Events crack came suddenly in the land would be more dangerous for people living in the vicinity, "Ebinger said. African and Arabian plates meet in the remote Afar desert of North Ethiopia is beginning to split from the process with a rate of less than 1 inch per year over the last 30 million years. This gap Afar depression formed along the 300 km to the Red Sea. Through this route, the Red Sea is expected to flow into the crack in Ethiopia and formed a new sea about a million years. The new ocean will connect the Red Sea and Gulf of Aden and the Arabian Sea between Yemen on the Arabian Peninsula and Somalia in East Africa.

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