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Biomechanical evaluation of head and neck injuries during head-first falls in skiing.
Comput Methods Biomech Biomed Engin
December 2024
Department of Mechanical Engineering, Xinjiang University, Urumqi, China.
Article Synopsis
- Skiing accidents can result in serious head and neck injuries, and this study analyzes these injuries using the THUMS model.
- The study found that initial speed is the primary factor influencing head injury severity, while impact position greatly affects neck curvature.
- Rear impacts typically lead to more severe neck injuries due to excessive cervical spine extension, and as the angle and speed of the fall increase, so does the risk of injury.
Evidence for an Adaptive, Large-Scale Range Shift in a Long-Distance Terrestrial Migrant.
Glob Chang Biol
November 2024
National Park Service, Arctic Inventory and Monitoring Program, Gates of the Arctic National Park and Preserve, Fairbanks, Alaska, USA.
Long-distance migrations are a striking, and strikingly successful, adaptation for highly mobile terrestrial animals in seasonal environments. However, it remains an open question whether migratory animals are more resilient or less resilient to rapidly changing environments. Furthermore, the mechanisms by which animals adapt or modify their migrations are poorly understood.
View Article and Find Full Text PDFAtmospheric concentrations of 7Be and 210Pb in weekly aerosols at Hirosaki, a heavy snowfall area in Japan.
Radiat Prot Dosimetry
November 2024
Institute of Radiation Emergency Medicine, Department of Radiochemistry and Radioecology, Hirosaki University, 66-1 Hon-cho, Hirosaki, Aomori 036-8564, Japan.
Article Synopsis
- Aerosol samples were collected weekly in Hirosaki to study the concentrations of atmospheric 7Be and 210Pb, with total suspended particles ranging from 0.14 to 1.19 mg m-3 and an average of 0.29 mg m-3.
- Both radionuclide activity concentrations showed similar trends and were measured to be between 0.46 to 4.94 mBq m-3 for 7Be and 0.26 to 1.29 mBq m-3 for 210Pb, suggesting they are influenced by the same environmental factors.
- The study found that precipitation significantly affects radionuclide deposition, with factors like raindrop and snowflake characteristics playing a crucial role
Long- and short-term pollution effect in megapolis assessed from magnetic and geochemical measurements on soils, tree trunk bark, and air filters.
Environ Monit Assess
October 2024
Taras Shevchenko National University of Kyiv, 90 Vasylkivska Str, Kiev, 03022, Ukraine.
This study identifies factors influencing spatial and temporal variations in magnetic susceptibility and heavy metal content in soils and airborne particulate matter within the Kyiv megapolis, Ukraine, and highlights how source apportionment differs in the long and short run. Topsoil magnetic susceptibility anomalies of > 70 × 10 mkg are observed around old factories. The tree bark magnetic susceptibility map provides a record of industry general low emissions for the last 2-3 decades.
View Article and Find Full Text PDFRelevance of Bacteria in Causing Rain and Snow.
Recent Pat Biotechnol
October 2024
Department of Basic Sciences, College of Forestry, Dr. YSP University of Horticulture & Forestry Nauni, Solan, Himachal Pradesh -173230, India.
The Earth's climate is influenced by both natural phenomena (solar fluctuations, oceanic patterns, volcanic eruptions, and tectonic movements) and human activities (deforestation, CO and CO2 emissions, and desertification), all of which contribute to ongoing climate change and the resulting global warming. However, human actions are a major factor in exacerbating global warming and amplifying its adverse impacts worldwide. .
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