Working flat out

Article Abstract:

DNA computers begin with a number of answers, eliminating those that are wrong, while conventional computers seek a single answer that is right. University of Wisconsin-Madison's Lloyd Smith and colleagues have developed a chip for DNA computing, with DNA molecules linked to a solid support that is flat. The technique that Smith and his team have developed can be used for a simple problem, and could be extended for use with other problems, so is a significant milestone in DNA computing.

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Blind wisdom: evolving drugs

Article Abstract:

Biotechnological researchers have been working on developing ways to create drugs by mimicking the natural selection process. They have managed to manipulate DNA to create thrombin, an anti-clotting drug.

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Oliver's army: yeast genetics

Article Abstract:

Researcher Stephen Oliver has lead a team that has succeeded in reading all 315,000 chemical letters encoded in the DNA of a yeast chromosome. This has lead to new knowledge about the structure of DNA.

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