The designs are new, they say, and costs will fall as more are built; in Asia reactors built at the end of a batch have proved cheaper than earlier ones.
Despite the fact that culture-based MRSA screening techniques have proven cheap and sensitive if samples are collected from several body sites, the time to report the results remains a major issue.
Properly managed grazing has proved a good, cheap method of weed control.
Offshore wind, once ruinously expensive, is now around 20% cheaper than nuclear power in Denmark; solar is so cheap it can be sold in supermarkets; tidal power is limitless and emerging; and energy saving, the Cinderella of the energy world, has proved itself the cheapest way to cut energy costs.
It has proved to be a relatively cheap source of financing.
This is largely because the reading of genomes has become remarkably cheap, and has proved applicable to long-dead samples from museums, or bits of tissue frozen in permafrost, as well as to things now alive.
Scientific developments explain why:"The reading of genomes has become remarkably cheap, and has proved applicable to long-dead samples from museums, or bits of tissue frozen in permafrost, as well as to things now alive.
But relying on a website to help people work out which card brings them the cheapest drugs has proved a blunder: only one in four older Americans has ever used the internet.
House prices have been rising, the pace of mortgage origination is 40% higher than a year ago and consumer credit is growing: the pace of new car loans is at a six-year high.The link that has proved most elusive is between cheap money and corporate investment.
Newborn screening using GalDH is a simple method which has proved sensitive, reliable, rapid, and cheap compared to other methodologies [[9]].
