In the fat-shedding livers, by contrast, she found high concentrations of a protein called fatty-acid-binding-protein 4.
ECONOMIST: Why some duck livers are delicious, and others nasty
It can blister a person's lungs if it is inhaled and can cause death in high concentrations.
The World Health Organisation recommends cleaning areas with high concentrations of radioactive particles.
Most worryingly, many of those with high concentrations were born long after 1971.
Grapeseed, canola and olive oils all "have high concentrations of unsaturated fat that help promote beneficial cholesterol levels, " she says.
This is effective: samples of the air above breaking water show high concentrations of minute organisms normally found in the water.
The researchers also looked for areas with high concentrations of small business owners who were very unlikely to cheat on their taxes.
Such high concentrations of information also create the perfect storm for hacking.
If they occur in sufficiently high concentrations, they can kill a cell.
"We target institutions with high degrees of leverage, high concentrations of assets in deteriorating sectors and rising credit costs, " Paulson wrote this spring.
CO2 is a colorless and odorless gas, exhaled at high concentrations by each of us, and a key component of the biosphere's life cycle.
WSJ: Sixteen Concerned Scientists: No Need to Panic About Global Warming
The process apparently creates high concentrations of potentially harmful water contaminants.
"These foods were chosen because they contain high concentrations of crucial nutrients, as well as the fact that many of them are low in calories, " the website states.
For example, nicotine in high concentrations is a potent poison.
The agency has identified a number of possible sources of sewage and slurry discharge, which it says can both contribute to very high concentrations of bacteria on the beach.
BBC: NEWS | UK | Wales | Mid | Beach fails EU water quality test
It's unclear, however, exactly where Metrico tested data bandwidth, and as any iPhone-toting San Francisco resident will tell you, data quality can be terrible in areas with high concentrations of tech geeks.
To increase production fish are packed in ever tighter, inviting disease outbreaks (and the expensive antibiotics and pesticides needed to combat them) and high concentrations of waste that poison the pens and the surrounding waters.
It said that exposure to the smoke from the pyres can exacerbate the symptoms of asthma, and that people less than half a kilometre from even small pyres may be exposed to high concentrations of irritants such as sulphur dioxide.
Although coal does not often contain high concentrations of mercury, the authors say the "combination of the large volume burned and the fact that a significant portion of the mercury present is emitted into the atmosphere results in large overall emissions from the sector".
Wolfe-Simon and her colleagues found the critter in a lake in eastern California with high arsenic concentrations.
FORBES: Why Those Cool Arsenic Bacteria Are Not A New Form Of Life
An extended heat wave occurred during the summer of 1995 and particularly high ozone concentrations were recorded in the eastern United States.
However, there are only a handful of places in the world where rare earths are found in high enough concentrations to make extracting them commercially feasible.
Nancy Rabalais, executive director of the Louisiana Universities Marine Consortium and an expert on dead zones who didn't participate in the study, said its findings are consistent with climate change scenarios she projects for the upper Mississippi River basin, where flooding caused high algae concentrations two years ago.
In 2011, concentrations reached a new high of 1813 parts per billion (ppb), 259% higher than pre-industrial levels.
Many of these places enjoy enormous assets in terms of universities, strategic location, concentrations of talented workers and entrenched high-wage industries.
Soot concentrations peaked in 1906-1910 and remained high for decades.
BBC: Human activities have left a visible mark on the Arctic
Concentrations of greenhouse gases in the atmosphere rose to yet another high in 2010, according to the UN's weather agency.
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