Resurrecting an ancient virus

French researchers have revived a dormant and previously unknown virus from a 30,000-year-old sample of Siberian permafrost. The pathogen poses no threat to humans, but its zombie-like return to an infectious state demonstrates the remarkable durability of microbes and raises the question of whether unknown, disease-causing viruses from some ancient era might be locked in ice. [This] is a good […]

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Scientists Using Alien Molecules To Expand DNA

Scientists have taken the first steps toward writing the blueprint of life in an alphabet unknown to nature, they reported online in the journal Nature. Until now, biologists have used the same base molecules when synthesizing DNA. It has been recently announced that scientists have not only created two new bases, but also inserted them into a single-cell organism and […]

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