Hot plankton A SWITCH in the species of phytoplankton dominating the Southern Ocean could accelerate global warming. During an expedition to the Ross Sea, a team led by Kevin Arrigo of NASA's Goddard Space Flight Center near Washington DC found that diatoms dominated wherever layers of water at different temperatures were poorly mixed ( Science, vol 283, … News
Choose ignorance THREE years ago Britain was stunned when the government released news of a new brain disease that looked suspiciously like the human equivalent of BSE. Since then an ongoing public inquiry has produced a steady stream of headlines less than flattering to officialdom. The death toll from new variant Creutzfeldt-Jakob disease (vCJD) has crept up … Opinion
Sun traps IT'S nothing if not frustrating. Every day the Sun pours down on us ten thousand times more energy than we need to drive every human activity-yet we've still to figure out a cost-effective way of harnessing it. Nature doesn't have this problem. Solar cells simply grow on trees where photosynthesis in leaves turns sunlight into … Features
Age-old story WHY do we have to die? We are not like machines—our bodies constantly repair and renew themselves. And unlike a brand new car, which starts to wear out the moment it leaves the showroom, a newborn baby's immunity, coordination, heart and circulation will actually "improve" during its first decade. True, the chances of dying—mortality—are high … Inside Science
Fedback WHERE does Foster Steam Turbine Consultants pick up its merchandise? And who are its customers? According to its website, Foster sells "the highest quality used gas turbines, steam engines, power plants and generators" ( www.usedturbines.com ). The company's "extraordinary buy of the week" is indeed extraordinary: "One 1.2-Gigawatt Nuclear Power Plant, 70 per cent complete, … Regulars