Sleeping Outdoors.

Tanacetum parthenium enhances pentobarbital-induced sleeping behaviors

Objective: Sleep disorders are among the most common psychiatric and medical conditions. In the present study, the hypnotic effect of Tanacetum parthenium was studied in mice.  Material and Methods: The hydro-alcoholic extract (HAE) of T. parthenium and three fractions of it, namely water fraction (WF), ethyl acetate fra...

Children in the Outdoors A literature review

Editorial: Visual navigation and mapping outdoors

The problem of navigation and mapping using vehicles equipped with sensors has been an extremely active research area in robotics during the past 20 years. The promise of autonomous cars, airplanes, helicopters, and submarines drives these research efforts. Many researchers have reported excellent results, but so far the most successful systems have required the use of laser range-finder sensor...

Virtual Habitat: models of the urban outdoors

City models with building exteriors, some interior spaces, vegetation, addresses and phototexture are of growing interest. Our work is the result of an Austrian national research program within the framework of Virtual Reality and Visualization. We describe a data collection system for buildings, a data modeling and visualization component.

Lyme Vaccine Makes Outdoors Safe Again

-The present study was designed to establish whether there are changes in hemidesmosomal distribution during defined stages of chemical carcinogenesis in hamster cheek-pouch epithelium. 0-5%0 DMBA in liquid paraffin was applied thrice weekly to hamster pouches, and tissue samples were obtained at regular intervals and assigned to hyperplastic, dysplastic and carcinomatous groups on the basis of...