News tagged with nitrate concentrations
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Fast, easy, and highly sensitive arsenic detection with gold nanoparticles
Nanotechnology / Nanomaterials
Nov 25, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Mention of arsenic poisoning usually brings to mind underhanded murder. However, the danger of arsenic poisoning from contaminated drinking water is far greater. Low concentrations of arsenic are found in ...
Ice Cold: Cooler Than Being Cool
Nov 24, 2009 |
4.2 / 5 (10) |
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(PhysOrg.com) -- Water expands when it freezes. Anyone who has ever left a can of soda or bottle of water in the freezer too long has witnessed this first hand. So how do plants and animals survive severe ...
Frog embryos associate the smell of predators with danger
Nov 03, 2009 |
3 / 5 (1) |
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(PhysOrg.com) -- A new study in the US and Canada has found that frogs can learn to associate the smell of predators with danger, even as embryos.
Consumption of certain fish during pregnancy associated with poorer cognitive performance
Nov 12, 2009 |
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Children who eat fish more than 3 times per week show a worse performance in the general cognitive, executive and perceptual-manipulative areas. Those with higher levels of exposure to mercury show a generalised delay in ...
Additive copper-zinc interaction affects toxic response in soybean
Nov 10, 2009 |
3 / 5 (1) |
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Agricultural soils accumulate trace metals, particularly copper and zinc, as a result of their presence in wastes (sewage biosolids and manures) and fungicides that are applied over long periods of time. Regulations and guidelines ...
New scientific study indicates that eating quickly is associated with overeating
Nov 04, 2009 |
3 / 5 (1) |
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According to a new study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism (JCEM), eating a meal quickly, as compared to slowly, curtails the release of hormones in the gu ...
Wet ethanol production process yields more ethanol and more co-products
Nov 09, 2009 |
1 / 5 (1) |
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Using a wet ethanol production method that begins by soaking corn kernels rather than grinding them, results in more gallons of ethanol and more usable co-products, giving ethanol producers a bigger bang for their buck - ...
Researchers discover links between city walkability and air pollution exposure
Nov 02, 2009 |
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A new study compares neighborhoods' walkability (degree of ease for walking) with local levels of air pollution and finds that some neighborhoods might be good for walking, but have poor air quality. Researchers involved ...
Heavy metals accumulate more in some mushrooms than in others
Oct 30, 2009 |
4 / 5 (4) |
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A research team from the University of Castilla-La Mancha (UCLM) has analysed the presence of heavy metals in 12 species of mushroom collected from non-contaminated natural areas, and has found that the levels ...
Pre-eclampsia linked to thyroid problems
Nov 18, 2009 |
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Women who develop pre-eclampsia during pregnancy are more likely than other women to have reduced thyroid function (hypothyroidism), finds a study published in BMJ today. It may also put women at a greater risk of thyroi ...
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