Browsing Month 'December, 2009'
This post was contributed by Piper Corp, ESA Science Policy Analyst. Pope Benedict XVI has received his share of criticism from the scientific community, most recently because of his statement that condoms increase the risk of HIV transmission. But in his December 15 message for the Catholic Church’s annual World Day of Peace, he gave [...]
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Lyme disease (Borrelia burgdorferi) is typically associated with mammals, but birds too can become infected by black-legged ticks (Ixodes scapularis), the principal vector of the pathogen. Moreover, birds may figure significantly in the range expansion of both the Lyme bacterium and black-legged ticks. So say Jory Brinkerhoff and colleagues of Yale University in a paper [...]
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The human industrial and agricultural sectors contribute to air pollution by releasing nitrogen oxides (sometimes denoted NOx) into the atmosphere. And just like ocean acidification occurs when carbon dioxide dissolves into the ocean, soil acidification can occur when nitrogen oxides dissolve into soils. But we also know that nitrogen is a major component of fertilizers, [...]
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This post was contributed by ESA Science Policy Analyst Piper Corp. Next year, the US Navy will enlist as many as 20 bottle-nosed dolphins and California sea lions to provide around-the-clock surveillance of Naval Base Kitsap-Bangor in Washington State. The new recruits have been trained through the Navy Marine Mammal Program (NMMP) to locate and [...]
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Biofuels hold promise for reducing the world’s consumption of unsustainable fossil fuels. But like any new technology, they come with their own host of issues and problems. One such problem is the so-called “indirect” effect of biofuels on the landscape and the atmosphere. For example, when farmlands are converted to biofuel crops, the food formerly [...]
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