In this study, the gene expression levels between 6 month old mice and 26 month
old mice were compared. The purpose of this research was to identify genes that are
differentially regulated due to aging. The results showed 148 significantly differentiated
genes in the analysis of a total of 44,170...
Which is more alive: a live tree or a dead tree? Dr. Mark Harmon studies how dead trees on the forest floor can provide habitat for many living organisms.
Because all life on Earth begins with plants capturing energy from the sun, the living things that you see around you are essentially sunlight. Sunlight energy helps transform carbon dioxide in the air into living plant tissues made of carbon materials such as sugars, starches, and fibers.
Just like the in-and-out movement of air in a human lung, the living parts of the forest have regular rhythms of exchange with the air. Across North America, a network of more than 90 towers called AmeriFlux monitors this daily breathing of forests, grasslands, croplands, and shrublands.
The selection process for map projections is a mystery to many mapmakers and GIS users. Map projections ought to be selected based on the map’s geographic extent and the required distortion properties, with the goal of minimizing the distortion of the mapped area. Despite some available selection guidelines, the selection...
Illuminated contour lines, where line width and color are varied based on an angle of illumination, date back to the mid-nineteenth century, but their effectiveness compared to conventional contour lines has not been fully examined. Currently, illuminated contour lines are not widely used in computer-based cartography because they are not...
Economic sanctions are widely used in the international arena in order to reconcile political conflicts and retain peace between countries. Most states prefer to use economic sanctions rather than military interventions as a more efficient tool to maintain political stability and protect their own interests. Nevertheless, sanctions are not always...
Volcanic hazard maps inform the public on the nature and extent of the hazards that threaten them, but these maps are often challenging for those who are not trained in map use or geology. The maps in this study focus on lahars, a dangerous, fast, and far-reaching volcanic hazard that...
The population of Catostomus rimiculus from Jenny Creek basin is identified as a dwarfed derivative of the normally much larger C. rimiculus from the Klamath and Rogue River systems. C. rimiculus in Jenny Creek basin are separated from those in the Klamath by a series of 3-10m waterfalls resulting from...
Nutrition effects productivity of grouse. Females that obtain
high nutrient diets in spring produce larger clutches and larger, more
viable chicks than hens on less nutritious diets. Grouse select high
nutrient foods to help ensure proper nutrition. Reduced productivity
accounted for the decline of sage grouse (Centrocercus urophasianus)
populations in...