Mannitol, a sugar alcohol produced by fungi, bacteria, and algae, is a common component of sugar-free gum and candy. The sweetener is also used in the medical field—it's approved by the FDA as a diuretic to flush out excess ...
Biochemistry
Jun 17, 2013
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(Phys.org) —A team made up of researchers from both the physics and biology departments at the University of Pennsylvania has succeeded in building a Lyme disease detector using a carbon nanotube sensor. In their paper ...
The value of a fuel's long-term usefulness and viability is judged through its energy return on investment; the comparison between the eventual fuel and the energy invested to create it. The energy return on investment (EROI) ...
Environment
Jun 17, 2013
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Fracking, the controversial method of mining shale gas, is widespread across Pennsylvania, covering up to 280,000 km² of the Appalachian Basin. New research in the Annals of the New York Academy of Sciences explores the ...
Environment
Jun 17, 2013
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Researchers working to design new materials that are durable, lightweight and environmentally sustainable are increasingly looking to natural composites, such as bone, for inspiration: Bone is strong and tough because its ...
Materials Science
Jun 17, 2013
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The study, published in the journal Environmental Science and Technology by researchers at IIASA and Center for International Climate and Environmental Research (CICERO) calculates the climate impact for passenger trips of ...
Environment
Jun 17, 2013
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As Anthony Weiner enters the New York mayoral race two years after scandal forced him from office, a new study in Social Science Quarterly explores the lingering effect of scandals and asks how long a politician need wait ...
Social Sciences
Jun 17, 2013
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When it comes to honey bees, more mates is better. A new study from North Carolina State University, the University of Maryland and the U.S. Department of Agriculture (USDA) shows that genetic diversity is key to survival ...
Plants & Animals
Jun 17, 2013
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How does a social animal – mouse or human – gain dominance over his or her fellow creatures? A unique experiment conducted by Dr. Tali Kimchi and her team in the Weizmann Institute's Neurobiology Department provides some ...
Plants & Animals
Jun 17, 2013
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Due to the fluctuating availability of solar energy, storage solutions are urgently needed. One option is to use the electrical energy generated inside solar cells to split water by means of electrolysis, in the process yielding ...
Materials Science
Jun 17, 2013
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