Technology TVs put squeeze on minor metals Ever heard of the ruthenium rush, the bismuth bonanza or the indium stampede? Demand for cellphones and flat-screen TVs is depleting global supplies of a host of uncommon metals. Indium is built into a billion consumer devices a year, for instance in phone displays, and prices have soared. Some estimates say reserves could run out … 51¶¯Âþ
Earth Adult stem cells will not do THERE is considerable debate in certain circles in the US over whether stem cells from adults will be as effective in treating disease as those from embryos. The White House, which opposes the use of human embryonic stem cells (ESCs) on ethical grounds, argues that we don't need them since adult stem cells show great … Opinion
Life Can't bite, cant fight When Britain went to war with South Africa's Boer republics in 1899, it found itself fighting not one but three enemies. There were the Boers themselves. There was disease: typhoid and dysentery claimed more lives than the fighting. And then there was tooth decay, which cost the army almost as many men as the Boers' … Features
Three diverse career paths in physics The project leader Lyn Evans, project leader for the Large Hadron Collider at CERN, Geneva Lyn Evans is building the biggest machine in the world. The Large Hadron Collider, a 27-kilometre-long chain of superconducting magnets at CERN in Geneva, Switzerland, will be the most powerful particle accelerator ever built. By smashing together particles and reading … Careers
Feedback Secrets of tachyonisation AH, TACHYONS! Hypothetical faster-than-light particles, or the "pure life-force energy" that is converted by "subtle organizing energy fields into the exact frequencies needed to maintain and restore perfect balance to a life form" that Feedback mentioned back on 9 July 2005? If the latter, people are naturally going to want to know … Regulars