New technique shows scalability of DNA computing
...ng technology, Smith emphasized, is still far from overtaking the silicon chip. The new method reported by the Wisconsin scientists, he says, is simply a testbed for working out an improved and simpler chemistry for DNA computing. Nevertheless, Smith says, the new surface chemistry provides an opportunity to h...Tailoring new cotton genes for industry
...s value is more than $1 billion per year, recently overtaking export earnings from wool for the first time. Lake Tandou near Broken Hill grows Pima cotton; lower-yielding than Upland cotton but finer, and exported mainly to Italy and Switzerland. Dr Sharon Orford and her colleagues in Adelaide University's Gene...Risk and food are on the same plate: World food safety experts offer new methods to assess risk
...in 2003 and 2004. "Scientific risk-based policy is overtaking the cultural and political debate about food," said Todd, referring to the United States' recent single case of mad cow disease. "Countries are creating policies based on risk, not on culture. The current systems of testing and release of products ha...