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Indigenous agroforestry ‘may improve livelihoods’
Smallholder farmers should use their indigenous knowledge of trees to boost incomes and drive social development, according to a new book by Roger Leakey, vice chairman of the International Tree Foundation and renowned tree biologist.
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Inuit Face Tensions with Outside World as their environment melts away
With Arctic summer sea ice rapidly disappearing, the native Inuit of Canada are encountering not only unsettling changes in their subsistence way of life, but also a growing number of outsiders who will further transform their once-isolated homeland. Sakiasiq Qanaq has seen a lot of changes on the north coast of Baffin Island in recent…
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Tobacco Variable Toxicity
Researchers from the University of Alicante in Spain have analyzed ten brands of cigarettes and found that the concentrations of certain harmful and carcinogenic substances vary significantly from one brand to another. Until now legislation has not covered these other toxic compounds and have only established limits for nicotine, tar and carbon monoxide. Scientists have…
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Turning Seawater into Jet Biofuel
From using vegetable oil and animal fats to trees and grasses as new sources of energy, biofuels are continuing to gain attention due to current oil prices and concern for energy security. As energy is produced from carbon fixation in these biofuels, scientists are experimenting with other types of renewable sources as mediums. The latest…
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The Scientific Connection of Mental Health and Physical Activity
Exercise is known for not only improving physical health, but also for improving mental health, such as alleviating depression or anxiety. A new scientific study from the Netherlands delves deep into the connection of exercise and mental health. The researchers explored if certain psychosocial factors may help explain the connection. The concept, psychosocial, refers to…