Cutbacks threaten HIV gains

DLK makes neuronal cutbacks

Herbicide-resistant Weeds Threaten Soil Conservation Gains: Finding a Balance for Soil and Farm Sustainability

Tillage has been an integral part of crop production since crops were first cultivated. Growers and scientists have long recognized both beneficial and detrimental aspects of tillage. There is no question that most tillage operations promote soil loss, adversely affect (lower) surface water quality, and negatively impact soil productivity. Weed management is a primary reason for tillage, and un...

Emerging diseases threaten conservation.

severe acute respiratory syndrome (SARS) appeared suddenly, sending shockwaves throughout public health systems and economies worldwide. By July 2003, 8,439 cases had been reported worldwide, with 812 deaths; the economic impacts were estimated to be $50–$100 billion (U.S.) (Newcomb 2003). Although public attention was focused on this explosive pandemic, more than 30 such diseases new to medici...

South Africa's battle against HIV/AIDS gains momentum.

Carbon emissions threaten marine species

No one had great expectations about the outcome of discussions on climate change at the recent G8 summit of the world's wealthiest nations in Scotland, and the modest resulting statement did little to reassure researchers that the topic is being taken as seriously as many feel it demands. " At the heart of the communique is a disappointing failure by the leaders of the G8 unequivocally to recog...