Lehmann, the lead author of the paper which is published in the journal Nature Geosciences, said that the black carbon content of soils in the study ranged from zero to 82 percent of soil organic carbon.
The authors of the study warned of the high sugar and fat content of chocolate.
Commissioned as part of the UNESCO-USA-Brazil project Teaching Respect for All and carried out in cooperation with the Centre of Human Rights Education, Lucerne, Switzerland, the study also makes recommendations in terms of content, methodology, usability and process for the future development of education materials against racism, discrimination and intolerance.
For starters, the participants' sodium consumption was gauged by measuring the sodium content of their urine over just one 24-hour period at the beginning of the study.
According to the new study "The Evolution of Video Gaming and Content Consumption" from PricewaterhouseCoopers, gamers -- like the general consumer population -- are becoming multitaskers.
In fact, nearly half of the parents in the study admitted difficulty in protecting their children from inappropriate content online.
Given that the association between diet drinks and with vascular events is unexpected and unsupported by other research, a study that controlled for specific ingredients, such as the type of sweetener and caffeine content, is needed to assess whether there are grounds for a plausible mode of action.
FORBES: Will Drinking Diet Soda Increase Your Risk For A Heart Attack?
Researchers from the Georgia Institute of Technology recently conducted a longitudinal study of follow predictors on Twitter and found that those who were positive and provided informational content gained more followers than those who were negative and shared content about themselves.
FORBES: Grow Your Twitter Followers By Being Nice And Informative
In spite of the staggering number of ventures flinging content onto mobile platforms, advertisers will spend 16% less on mobile in 2010, notes the study.
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