Multiple hazards present; study cites threat of terrorism, transmission of infectious diseases, and new data on noise levels
Although information on subway safety is generally very limited, a new paper by safety experts at the Columbia Universitys Mailman School of Public Health provides the first comprehensive look at health and safety hazards that might affect both riders and subway workers. The report, published in the Journal of Urban Health in a special issue on mass transit, indicates that while subways in general, and the New York City subway system in particular, are relatively safe, especially in comparison to automobile use, a number of concerns remain.
According to lead author, Robyn Gershon, DrPH, associate professor of Sociomedical Sciences at the Mailman School, "Data on subway safety issues are limited, and much more research in this area is warranted given that millions of people are potentially at risk- in New York City alone, the weekday ridership is over 7 million passengers. "While this comprehensive review of the data gives us the first big picture into the health of our transportation system, without further appropriate risk assessment studies, we cannot adequately determine the factors and health effects of potential hazards," and "most importantly, the steps that are needed to reduce this risk," Dr. Gershon cautions.
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Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), hot gas, and charged particles, they found magnetic fields that are exceptionally ordered over distances of many million light years. This makes them the most extended magnetic fields in the universe known so far.
The results will be published on March 22 in the journal „Astronomy & Astrophysics“.
Galaxy clusters are the largest gravitationally bound structures in the universe. With a typical extent of about 10 million light years, i.e. 100 times the...
Researchers at the Goethe University Frankfurt, together with partners from the University of Tübingen in Germany and Queen Mary University as well as Francis Crick Institute from London (UK) have developed a novel technology to decipher the secret ubiquitin code.
Ubiquitin is a small protein that can be linked to other cellular proteins, thereby controlling and modulating their functions. The attachment occurs in many...
In the eternal search for next generation high-efficiency solar cells and LEDs, scientists at Los Alamos National Laboratory and their partners are creating...
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are less stable. Now researchers at the Technical University of Munich (TUM) have, for the first time ever, produced a composite material combining silicon nanosheets and a polymer that is both UV-resistant and easy to process. This brings the scientists a significant step closer to industrial applications like flexible displays and photosensors.
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are...
Enzymes behave differently in a test tube compared with the molecular scrum of a living cell. Chemists from the University of Basel have now been able to simulate these confined natural conditions in artificial vesicles for the first time. As reported in the academic journal Small, the results are offering better insight into the development of nanoreactors and artificial organelles.
Enzymes behave differently in a test tube compared with the molecular scrum of a living cell. Chemists from the University of Basel have now been able to...
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24.03.2017 | Physics and Astronomy