Royal Society report shows China pushing UK into third place in scientific publishing and predicts it will soon surpass the US
China could overtake the United States as the world's dominant publisher of scientific research by 2013, according to an analysis of global trends in science by the Royal Society. The report highlighted the increasing challenge to the traditional superpowers of science from the world's emerging economies and also identified emerging talent in countries not traditionally associated with a strong science base, including Iran, Tunisia and Turkey.
The Royal Society said that China was now second only to the US in terms of its share of the world's scientific research papers written in English. The UK has been pushed into third place, with Germany, Japan, France and Canada following behind.
"The scientific world is changing and new players are fast appearing. Beyond the emergence of China, we see the rise of South-East Asian, Middle Eastern, North African and other nations," said Chris Llewellyn Smith, director of energy research at Oxford University and chair of the Royal Society's study.
"The increase in scientific research and collaboration, which can help us to find solutions to the global challenges we now face, is very welcome. However, no historically dominant nation can afford to rest on its laurels if it wants to retain the competitive economic advantage that being a scientific leader brings."
In the report, published on Monday, the Royal Society said that science around the world was in good health, with increases in funding and personnel in recent years. Between 2002 and 2007, global spending on R&D rose from $790bn to $1,145bn and the number of researchers increased from 5.7 million to 7.1 million.
"Global spend has gone up just under 45%, more or less in line with GDP," said Llewllyn Smith. "In the developing world, it's gone up over 100%." Over the same period, he added, the number of scientific publications went up by around 25%.
To compare the output of different countries, the Royal Society's report collated information on research papers published in two time periods, 1993-2003 and 2004-2008. It counted research papers that had an abstract in English and where the work had been peer-reviewed.
In both periods, the US dominated the world's science, but its share of publications dropped from 26% to 21%. China's share rose from 4.4% to 10.2%. The UK's share declined from 7.1% to 6.5% of the world's papers.
Projecting beyond 2011, the Royal Society said that the landscape would change "dramatically". "China has already overtaken the UK as the second leading producer of research publications, but some time before 2020 it is expected to surpass the US." It said this could happen as soon as 2013.
China's rise is the most impressive, but Brazil, India and South Korea are following fast behind and are set to surpass the output of France and Japan by the start of the next decade.
The quality of research is harder to measure, so the Royal Society used the number of times a research paper had been cited by other scientists in the years after publication as a proxy. By this yardstick, the US again stayed in the lead between the two periods 1999-2003 and 2004-2008, with 36% and 30% of citations respectively. The UK stayed in second place with 9% and 8% in the same periods. China's citation count went from virtually nil to a 4% share.
The overall spread of scientific subjects under investigation has remained the same. "We had expected to see a shift to bio from engineering and physics [but] overall, the balance has remained remarkably stable," said Llewellyn Smith. "In China, [the rise] seems to be in engineering subjects whereas, in Brazil, they're getting into bio and agriculture."
As it grows its research base, Llewellyn Smith said that China could end up leading the world in subjects such as nanotechnology. "The fact is they've poured money into nanotechnology and that's an area where they are recruiting people back from around the world with very attractive laboratories ? that's my feeling."
In addition, there are new entrants to the scientific community. "Tunisia in 1999 had zero science budget ? now it puts 0.7% of GDP into science," said Llewllyn Smith. "This isn't huge but it's symbolic of the fact that all countries are getting into science. Turkey is another example. Iran has the fastest-growing number of publications in the world, they're really serious about building up science."
Turkey's R&D spend increased almost six-fold between 1995 and 2007, said the Royal Society, and the number of scientists in the country has jumped by 43%. Four times as many papers with Turkish authors were published in 2008 as in 1996.
In Iran, the number of research papers rose from 736 in 1996 to 13,238 in 2008. Its government is committed to increasing R&D to 4% of GDP by 2030. In 2006, the country spent just 0.59% of its GDP on science.
Llewellyn Smith welcomed the internationalisation of science. "Global issues, such as climate change, potential pandemics, bio-diversity, and food, water and energy security, need global approaches. These challenges are interdependent and interrelated, with complicated dynamics that are often overlooked by policies and programmes put in place to address them," he said.
"Science has a very important role in addressing global challenges and collaboration is necessary so that everybody can agree on global solutions. The more countries are involved in science, the more innovations we will have and the better off we will be."
Source: http://www.guardian.co.uk/science/2011/mar/28/china-us-publisher-scientific-papers
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