Nature Wallpaper

Headed for Surgery? Hold the Protein
Fast before surgery. That's a common recommendation doctors give patients to ensure a safe procedure. Now a new study in mice suggests that the advice may have benefits beyond the operation itself: Extensive presurgical fasting appears to protect organs from postsurgical damage. Although preliminary, the finding builds on evidence that short-term starvation helps the body guard against stress and may be a useful medical tool.

Scientists reveal how females store sperm for decades
Scientists have discovered that all sorts of females from birds to reptiles to insects have a nifty trick to prolong the lifespan of sperm, letting them store it for weeks, months or even years on end. They found that females do this by lowering the metabolic rate of sperm, so it can survive in their bodies almost indefinitely.

Fructose Effects
Fructose, or fruit sugar, is a simple monosaccharide found in many plants. It is one of the three dietary monosaccharides, along with glucose and galactose, that are absorbed directly into the bloodstream during digestion. Fructose is generally regarded as being 1.73 times as sweet as sucrose. Fructose is a common sweetener used in many products such as soda as a result. There is now some new research evidence of cardiovascular disease and diabetes risk is present in the blood of adolescents who consume a lot of fructose, a scenario that worsens in the face of excess belly fat.

The Era Of Cheap Water Is Over: Deloitte
Deloitte Touche Tohmatsu Limited (DTTL) today launched the Water Tight 2012 report, which explores the future of the global water sector in the year ahead. The report examines how major global trends such as population growth, increasing economic development, and urbanization, coupled with the changes in climate patterns, underscore the importance of effective public policy and private sector water stewardship in managing this finite and shared resource. The growing demand for water is making conservation and efficient use central issues, particularly as governments, utilities, and the private sector come under increasing pressure to be stewards of this precious and shared resource. The report states that a clearer water pricing will play an important role in how customers better manage their water usage. "There is a compelling case for utilities either to increase water prices or create a better pricing system that addresses scarcity issues, allows them to invest in the replacement of ageing infrastructure, and provides them with a satisfactory financial return," says James Leigh, Global Leader for Water, DTTL. "Increasing water prices, however, is a difficult political decision, as domestic water usage is considered a basic human right. As such, raising awareness of water related issues and educating the public about the necessity of more effective water pricing is crucial."

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