http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Scientists at the National Physical Laboratory (NPL) in Teddington have worked with the Wallace Collection to analyse the contents of Viking swords - and the results shed new light on trade routes in the middle ages. http://www.physorg.com/news150373962.html Physics Mon, 05 Jan 2009 10:32:42 EST news150373962