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Human Impacts on Natural World Underestimated
May 8, 2013 — A comprehensive five-year study by ecologists -- which included monitoring the activity of wolves, elks, cattle and humans -- indicates that two accepted principles of how ecosystems naturally ... > full story -
Four New Dinosaur Species Identified
May 8, 2013 — Just when dinosaur researchers thought they had a thorough knowledge of ankylosaurs, a family of squat, armor-plated, plant-eaters, along comes a graduate student with some other ... > full story -
New Red List Developed for Threatened Ecosystems
May 8, 2013 — Scientists have developed a new Red List system for identifying ecosystems at high risk of degradation, similar to the influential Red List for the world's threatened ... > full story -
Sustainability
Energy and the Environment
Agriculture and Food
Renewable Energy
Environmental Science
Environmental Policy
Setting the Standard for Sustainable Bioenergy Crops
May 8, 2013 — Bioenergy crops, such as Miscanthus and switchgrass, appear to be promising resources for renewable energy, but these new crops did not come with a manual on how to measure details on their ... > full story -
Dietary Flexibility May Have Helped Some Large Predators Survive After Last Ice Age
May 8, 2013 — During the late Pleistocene, a diverse assemblage of large-bodied mammals inhabited the "mammoth steppe" of northern Eurasia and Beringia. Of the large predators -- wolves, bears, and big cats -- ... > full story -
Cannibal Tadpoles Key to Understanding Digestive Evolution
May 8, 2013 — A carnivorous, cannibalistic tadpole may play a role in understanding the evolution and development of digestive organs, according to new ... > full story -
Bacteria
Microbes and More
Microbiology
Infectious Diseases
Biotechnology and Bioengineering
Extreme Survival
Lucky Bacteria Strike It Rich During Formation of Treatment-Resistant Colonies: Research Could Help in Battle Against Infections That Do Not Respond to Powerful Drugs
May 8, 2013 — Like pioneers in search of a better life, bacteria on a surface wander around and often organize into highly resilient communities, known as biofilms. It turns out that a lucky few bacteria become ... > full story -
Materials Science
Engineering and Construction
Civil Engineering
Insects (including Butterflies)
Biotechnology and Bioengineering
Construction
How Long Do Insects Last?
May 8, 2013 — Researchers have shown that although insects are made from one of the toughest natural materials, their legs and wings can wear out over ... > full story -
Coumarin in Cinnamon and Cinnamon-Based Products and Risk of Liver Damage
May 8, 2013 — Many kinds of cinnamon, cinnamon-flavored foods, beverages and food supplements in the United States use a form of the spice that contains high levels of a natural substance that may cause liver ... > full story -
Using 'Bacteria-Eaters' to Prevent Infections on Medical Implant Materials
May 8, 2013 — Viruses that infect and kill bacteria -- used to treat infections in the pre-antibiotic era a century ago and in the former Soviet Union today -- may have a new role in preventing formation of the ... > full story
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