[Temporal factors in motor vehicle crash deaths Injury Prevention 2005; 11: 18-23] / [Heat related deaths in young children in parked cars: an analysis of 171 fatalities in the United States, 1995-2002 Injury Prevention 2005; 11: 33-37]
More than 100 people die on US roads every day, but there is definitely a seasonal trend, with the highest average death toll on July 4, Independence Day, reveals research in Injury Prevention. Researchers from the Insurance Institute for Highway Safety analysed data from the national Fatality Analysis Reporting System for the years 1986 to 2002 to see if they could identify any trends in the timing and severity of car crashes.
They compared days with relatively high numbers of car crash deaths with the two days exactly one week before and week afterwards, in a bid to rule out any anomalies in the figures. The analysis showed that on average 117 people die on US roads every day, but the death toll ranged from 45 to 252 deaths on any one day. There were more road deaths during summer and autumn than during winter and spring, largely because of the increased volume of traffic on the roads, suggest the authors. There were more deaths in August than any other month, and more deaths from June to November than from December to May. The fewest deaths occurred in January and February, but far fewer journeys were made during these months.
Emma Dickinson | EurekAlert!
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Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.
As part of the “ArKol – development of architecturally highly integrated façade collectors with heat pipes” project, Fraunhofer ISE together with its partners...
At TU Wien, an alternative for resource intensive formwork for the construction of concrete domes was developed. It is now used in a test dome for the Austrian Federal Railways Infrastructure (ÖBB Infrastruktur).
Concrete shells are efficient structures, but not very resource efficient. The formwork for the construction of concrete domes alone requires a high amount of...
Many pathogens use certain sugar compounds from their host to help conceal themselves against the immune system. Scientists at the University of Bonn have now, in cooperation with researchers at the University of York in the United Kingdom, analyzed the dynamics of a bacterial molecule that is involved in this process. They demonstrate that the protein grabs onto the sugar molecule with a Pac Man-like chewing motion and holds it until it can be used. Their results could help design therapeutics that could make the protein poorer at grabbing and holding and hence compromise the pathogen in the host. The study has now been published in “Biophysical Journal”.
The cells of the mouth, nose and intestinal mucosa produce large quantities of a chemical called sialic acid. Many bacteria possess a special transport system...
UMD, NOAA collaboration demonstrates suitability of in-orbit datasets for weather satellite calibration
"Traffic and weather, together on the hour!" blasts your local radio station, while your smartphone knows the weather halfway across the world. A network of...
Fiber-reinforced plastics (FRP) are frequently used in the aeronautic and automobile industry. However, the repair of workpieces made of these composite materials is often less profitable than exchanging the part. In order to increase the lifetime of FRP parts and to make them more eco-efficient, the Laser Zentrum Hannover e.V. (LZH) and the Apodius GmbH want to combine a new measuring device for fiber layer orientation with an innovative laser-based repair process.
Defects in FRP pieces may be production or operation-related. Whether or not repair is cost-effective depends on the geometry of the defective area, the tools...
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16.01.2017 | Power and Electrical Engineering