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ScienceDaily: Science & Society News |
| Safe drinking water remains out of reach for many Californians Posted: 11 Jan 2022 12:36 PM PST An estimated 370,000 Californians rely on drinking water that may contain high levels of arsenic, nitrate or hexavalent chromium, and contaminated drinking water disproportionately impact communities of color in the state, finds a new analysis. Because this study is limited to three common contaminants, results likely underestimate the actual number of Californians impacted by unsafe drinking water. |
| Brain-based method to determine impairment from cannabis intoxication Posted: 11 Jan 2022 12:36 PM PST A new study shows that imaging of brain activity with functional near-infrared spectroscopy might offer a more accurate and reliable way to distinguish impairment from cannabis intoxication. |
| Older adult opioid overdose death rates on the rise Posted: 11 Jan 2022 08:20 AM PST A new study that analyzed 20 years of fatal opioid overdose data in adults 55 and older found that between 1999 and 2019, opioid-related overdose deaths increased exponentially in U.S. adults ages 55 and older, from 518 deaths in 1999 to 10,292 deaths in 2019: a 1,886% increase. |
| Rwandan genocides chemically modified the DNA of victims and victims’ offspring Posted: 11 Jan 2022 08:20 AM PST Scientists have taken a significant step in providing the people of Rwanda the scientific tools they need to help address mental health issues that stemmed from the 1994 genocides of the Tutsi ethnic group. |
| Biomass burning increases low clouds over southeastern Asia Posted: 11 Jan 2022 08:20 AM PST Clouds have significant impact on the energy balance of the Earth system. Low clouds such as Stratocumulus, Cumulus and Stratus cover about 30 percent of the Earth surface and have a net cooling effect on our climate. What counteracts global warming, can have economic consequences: a persistently dense and low cloud cover over land can reduce agricultural production and the solar-power generation. Understanding the factors governing low cloud cover is not only important for regional weather forecasting and global climate prediction but also for their socioeconomic effects. |
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