Worse, the worm can "lobotomize" anti-virus software, Corman says, so that it appears to be running but has no effect.
The need to reverse the denuding of forests has been proclaimed time and again by the government but to no effect.
The flavonoids inhibited the secretion of various inflammatory cells called cytokines in H5N1-infected cells, but had no effect on noninfected cells or tumor necrosis factor, a key inflammatory protein.
The central bank has raised reserve requirements in a bid to restrain lending, but to no great effect.
Willem Buiter of the London School of Economics has argued in the past that when house prices fluctuate, there are both winners and losers, but no net wealth effect.
The printing press or the art of movable type that would trigger an explosion of Christian civilization, with the Gutenberg revolution in Germany, had been invented centuries earlier by the Chinese, but with no similar effect.
They regularly troop off wailing to the Constitutional Court, but so far to no effect.
"I think they get conscious of that, but it had absolutely no effect on me whatsoever, " Wainwright said.
Medicaid enrollment resulted in improvements in physical and mental health, but had no statistically significant effect on mortality risk.
FORBES: States Face a "Sophie's Choice" on Medicaid Expansion
The researchers found that the drugs did have a positive impact on people with mild depression - but the effect was no bigger than that achieved by giving patients a sugar-coated "dummy" pill.
If depression is indeed a risk factor for dementia, treating depression should help stave off dementia, but no studies have shown this effect, Saczynski said.
The Guardian Council, which oversees the electoral process, said it had found some evidence of voting irregularities but the number had "no effect on the result of the elections".
In the case of IFAs, there is evidence of reduced portfolio variance, systematic and unsystematic, as a result of such involvement, but no traces of such an effect remain in the bank advisor sample.
Federico Lombardi, did not deny Thursday that Benedict had had an accident on his March 2012 trip to Mexico, but said the injury had no effect on his health or his decision to resign.
As I discussed in March, the most recent set of studies by economists indicates that hospital mergers have no effect on the quality of care, but do have a significant effect on the price that hospitals charge.
FORBES: Goal of the NYU-Continuum Hospital Mega-Merger: Raising Prices
But the effect of Irene is by no means positive.
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But these tax credits have little or no effect on college enrollment, have become a ripe target for abuse, and have made it easier for universities to increase prices.
FORBES: It's Well Past Time To Slash Higher Education Subsidies
Beijing introduced the new rule on March 1, but no one knows when it will go into effect.
FORBES: Selling Frenzy In China As Gov't Slams Housing Bubble With Tax Hike
But studies show that there's no protective effect from eating breakfast at all.
Talk of new Chinese regulation sent most Chinese net names lower, but one trader said the regulation will have no effect on Sina or another popular net name, Baidu (BIDU), which closed 3.9% lower.
FORBES: After 15% Drop, Investors Wonder What Happened To China's Sina
HERC2 has no effect on eye color, but it contains an unexpressed segment of DNA that is needed for the switching on of a nearby gene called OCA2, as demonstrated by newly published work by Robert-Jan Palstra and others at Erasmus University in the Netherlands.
WSJ: Matt Ridley on Human Culture's Effect on Genes | Mind & Matter
It's also unclear why RIM bothered using fancy piezoelectric switches rather than simple mechanical ones, because they're not doing anything with the technology other than letting you click -- when you turn off the phone, the switches "harden" and prevent you from pressing the screen, but there's no option to keep that effect going when the device is on.
ENGADGET: BlackBerry Storm2 hands-on and impressions Hands-on
But the new research found no evidence of any protective effect.
But she pointed out that another recent study had found no effect on IQ at five years.
Many critics have been quick to analyze the verdict, but there appears to be an interesting side effect that no one saw coming: increased sales of the Galaxy S III.
FORBES: Did Apple Just Help Samsung Sell A Ton Of Smartphones?
But, the effect of the agreement was that IBM could no longer protect its products once they were on the market.
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