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Dangerous levels of arsenic found in many U.S. wells
Naturally occurring arsenic in private wells threatens people in many U.S. states and parts of Canada, according to new studies. The studies, focused mainly on New England but applicable elsewhere, say private wells present continuing risks due to almost nonexistent regulation in most states, homeowner inaction, and inadequate mitigation measures. The reports also shed new light on the geologic mechanisms behind the contamination. The studies come amid new evidence that even low doses of arsenic may reduce IQ in children, in addition to well documented risks of heart disease, cancer, and reduced lung function.
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Measles outbreak raises questions about vaccination exemptions
The recent measles outbreak has, again, brought to the surface an issue which refuses to go away: the alleged connection between vaccination and autism. The qualifier “alleged” should not, in truth, be used — “discredited alleged” should be used instead — because science has conclusively and indisputably shown that there is no such connection. Still, in what the Wall Street Journal calls “The not-so-great measles vaccine debate of 2015,” lawmakers, healthcare officials, and parent groups are again debating whether states should make it easier or more difficult for parents to exempt their children from vaccination.
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Missing oil from Deepwater Horizon 2010 accident found
After 200 million gallons of crude oil spilled into the Gulf of Mexico in April 2010, the government and BP cleanup crews mysteriously had trouble locating all of it. Now, a new study finds that some six million to ten million gallons are buried in the sediment on the Gulf floor, about sixty-two miles southeast of the Mississippi Delta.
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Reprogramming plants to withstand drought
Crops and other plants are constantly faced with adverse environmental conditions, such as rising temperatures (2014 was the warmest year on record) and lessening fresh water supplies, which lower yield and cost farmers billions of dollars annually. Research in synthetic biology provides a strategy that has reprogrammed plants to consume less water after they are exposed to an agrochemical, opening new doors for crop improvement.
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Handheld sensor sniffs out fish fraud
It is estimated that up to 30 percent of the seafood entering the U.S. is fraudulently mislabeled, bilking U.S. fishermen, the U.S. seafood industry, and American consumers for an estimated $20-25 billion annually. Passing off other fish as grouper is one of the rackets this sensor aims to stop. Fighting seafood labeling fraud using rapid, on-site screening may benefit consumer wallets and U.S. seafood industry. Scientists at the University of South Florida’s College of Marine Science have developed a handheld sensor capable of debunking fraudulent seafood species claims, helping to ensure that consumers are getting what they pay for.
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Color-changing film detects chemical weapons
In today’s world, in which the threat of terrorism looms, there is an urgent need for fast, reliable tools to detect the release of deadly chemical warfare agents (CWAs). Scientists are reporting progress toward thin-film materials that could rapidly change colors in the presence of CWAs — an advance that could help save lives and hold aggressors accountable.
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Lawmakers seek to create single food safety agency to improve oversight
Lawmakers are seeking to pass a bill which would a single food safety agency to replace the current multi-agency system, which critics say is “hopelessly fragmented and outdated.” Senator Richard Durbin (D-Illinois) and Representative Rosa DeLauro (D-Connecticut) have proposed the 2015 Safe Food Act, which would replace the current food safety oversight system – which consists of fifteen different agencies — with a single organization.
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New biosurveillance Web site offers comprehensive information on outbreaks, responses
A new online resource is providing a centralized portal for all news, information, resources, and research related to biosurveillance at the laboratory. Los Alamos Lab science team gathers a virtual biological toolkit for international disease outbreak response.
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Ebola epidemic ebbing: WHO
The World Health Organization(WHO) has reported fewer than 100 new cases of Ebola in West Africa in the last week, which means the outbreak could soon reach its end. Some of the resources allocated to building treatment centers for thousands of sick people are now being diverted to contact-tracing efforts. “Efforts have moved from rapidly building infrastructure to ensuring that capacity for case finding, case management, safe burials and community engagement is used as effectively as possible,” read the WHO’s latest situation report.
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Chinese ownership of a methanol plant worries Louisiana parish residents
Roughly 150 petrochemical companies and seventeen refineries operate in a zone between Baton Rouge and New Orleans, an area locals call “Cancer Alley” due to the health concerns that have arisen during the past few decades of industrialization. Residents of St. James Parish have voiced their opposition to a proposed methanol plant in the parish. The plant will be operated by Yuhuang Chemical Inc., a subsidiary of Chinese natural gas giant Shandong Yuhuang. Recently, Shandong Yuhuang, parent company of the proposed plant in St. James, has received bad press in China for reportedly neglecting environmental laws, including releasing toxic emissions in the city of Heze, which environmentalists have connected to rising cancer rates and contaminated water.
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Genetic safety switches curb bioterror risk
The potential threat of bioterrorism using man-made biological organisms could be curbed, thanks to a new method. Synthetic biologists — who can design and modify the DNA of living organisms to give them novel, useful functions — have devised a way of containing their products to help ensure that they work only as intended.
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Ebola outbreak: where we are now and what happens next
Ever since its discovery, it has been appreciated that Ebola poses a serious risk to global public health. Infectious diseases represent a global threat, not just to those within the country or region of emergence. With the current increase in the movement of people (rural to urban, within countries and across borders), this risk will inevitably increase. While the current priority should be to contain the present outbreak, there is a great need to plan for prevention of future events. The development of an international response group tasked with immediate assessment of and initial response to emerging pathogens is needed, backed by sufficient international political will, clinical expertise, and funding. This needs to be agile and responsive, with clear chains of command, and able to engage early.
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A computer program would track food, ingredients in packaged food, imported into U.S.
Scientists at University of Minnesota’s National Center for Food Protection and Defense(NCFPD) are developing a computer program called CRISTAL, which could allow the government and private sector to map the supply chain of every product imported into the United States, from mobile phones to car seats to the ingredients in packaged foods. The USDA already monitors some aspects of the nation’s food safety, but DHS is particularly interested in CRISTAL because of increasing terror threats to the nation’s food supply.
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Challenges for sustainability as many renewable resources max out
The days of assuming natural resources can be swapped to solve shortages — corn for oil, soy for beef — may be over. An international group of scientists demonstrate that many key resources have peaked in productivity, pointing to the sobering conclusion that “renewable” is not synonymous with “unlimited.” The researchers examined renewable resources, such as corn, rice, wheat, or soy, which represent around 45 percent of the global calorie intake. They also reviewed fish, meat, milk, and eggs. The annual growth rate of eighteen of these renewable resources — for example, increase in meat production or fish catch — peaked around 2006.
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Speeding up Ebola drug production
Researchers at the University of California, Davis, will explore ways to speed production of the Ebola drug Zmapp with a $200,000 rapid-response grant from the National Science Foundation. Zmapp is a cocktail of antibodies produced in and extracted from whole tobacco plants. The UC Davis team, including plant scientists, molecular biologists and chemical engineers, will attempt to produce the antibodies from plant cells grown in bioreactors instead of in whole plants.
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More headlines
The long view
We Ran the C.D.C.: Kennedy Is Endangering Every American’s Health
Nine former leaders of the Centers for Disease Control and Prevention (CDC), who served as directors or acting directors under Republican and Democratic administrations, serving under presidents from Jimmy Carter to Donald Trrump, argue that HHS Secretary Roert F. Kennedy Jr. poses a clear and present danger to the health of Americans. He has placed anti-vaxxers and conspiracy theorists at top HHS positions, and he appears to be guided by a hostility to science and a belief in bizarre, unscientific approaches to public health.