The use of flavored e-liquids in vaping devices may lead to the formation of nearly 300 different harmful substances, results of a recent study out of Ireland suggest.

Gainesville, FL — A sense of guilt can help employees be better co-workers after they’ve been rude at work, results of a recent study suggest.

Ann Arbor, MI — Even moderate exercise can help keep workers from feeling burned out, results of a recent study show.

Turku, Finland — Workers who experience back pain can keep it from getting worse by reducing their time spent sitting, results of a recent study by Finnish researchers show.

Washington — Railroads must develop certification and training programs for train dispatchers and signal employees, under new Federal Railroad Administration final rules.

Thanks to years of scientific research, Montmorency tart cherries have broken out of the pie shell and onto the "superfruit" stage.

One of the nation’s top macro trends involves “the quest for rest,” or the wide range of foods, beverages and supplements designed to encourage sleep, relaxation, and stress relief.

The use of tart cherry products to aid recovery after strenuous exercise is becoming increasingly popular – relied on by college and professional athletes, as well as recreational exercisers.  

Each rope is stuffed with flavor from the inner filling to the outer layer, ensuring a taste experience that hits with every chew. 

The vitamin and electrolyte-packed drink mix, made for on-the-go convenience with added immunity-boosting ingredients like additional Vitamin C, Zinc and Elderberry, boasts only 2g of sugar and 20 calories per single-serve stick.

The impact of yogurt, probiotics and the gut microbiome can be linked to several health benefits including those relating to brain, digestive and immune function.

The FDA says revoking the standards will provide greater flexibility and the opportunity for product innovation.

Archer Daniels Midland Company reported a strong profit for its Q2, strengthened by its nutrition and agricultural services divisions.

ADM reported strong Q2 results, with net earnings of $712 million and adjusted net earnings of $754 million. 

By eliminating the need for high-impact knee kickers, the tool allows professionals to achieve a precise and even stretch while significantly reducing wear and tear on their bodies. 

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The post Key facts about public school teachers in the U.S. was curated by information for practice.

Institutions are increasingly employing algorithms to provide performance feedback to individuals by tracking productivity, conducting performance appraisals, and developing improvement plans, compared to trad… Read the full article ›

The post Negative performance feedback from algorithms or humans? effect of medical researchers’ algorithm aversion on scientific misconduct was curated by information for practice.

Christian leaders in Pakistan have condemned Islamic preacher Zakir Naik’s objectionable remarks about Christianity during his various public sermons in Pakistan when touring the country on a month-long state-sponsored visit in October.

The Chernobyl nuclear explosion was undoubtedly one of the biggest tragedies that the Soviet Union had seen. Few in the world know that there were other major disasters in the USSR, the scale of which was just as mortifying. The Kyshtym accidentIt is also known as Chelyabinsk-40 accident. Today, this town is called Ozersk; it used to be a secret settlement during the times of the Soviet Union. It was the first man-made disaster that the USSR had seen. In 1957, an explosion of tanks with radioactive waste occurred at Mayak chemical factory. No one was injured as a result of the explosion. However, there were about 270,000 people living in the affected area. The military were evacuated first - they were attracted to liquidation works. Civilian people were evacuated two weeks later.A reserve called East-Ural Radioactive Trace was created on the site of the accident many years afterwards. The site is still closed to the public - the level of radiation there is still high.Krasnoye SormovoThe radioactive accident in Red Sormovo (Krasnoye Sormovo) occurred 16 years before the Chernobyl disaster - in 1970. The accident took place during hydraulic tests on a new nuclear submarine at the plant in the Nizhny Novgorod region. The reactor started up accidentally, and the Krasnoye Sormovo workshop was filled with radioactive vapors immediately. Twelve people were killed on the spot, about 200 others received a huge dose of radiation. The workshop was isolated from external environment, which made it possible to avoid the danger of radioactive contamination of the area. The work to liquidate the consequences of the accident took four months.Only 200 out of 1,000 employees of the factory had stayed alive by January 2012. All of them became first- and second-degree disabled individuals. Explosion at Baikonur CosmodromeMore than 100 people were killed as a result of the explosion that took place on Baikonur Cosmodrome in 1960.Shortly before the accident, Soviet engineers were developing a new intercontinental ballistic missile at the facility. Marshal Nedelin was supervising the tests as the chief commander of missile forces of the USSR. Many safety rules were violated as the team was in a rush to have the report ready for the anniversary of the October Revolution. At one point, the engine of the missile was launched earlier than expected, which caused fuel to explode. The information about this tragedy has long been classified.Kurenyovskaya tragedyThis tragedy took place in the Ukrainian Soviet Socialist Republic in 1961. The causes of the accident started forming ten years earlier. The Kiev authorities decided to build a landfill of liquid waste from nearest factories and plants in Babi Yar. In 1961, the dam, which was holding the dump, burst, sending an avalanche of dirt 14 meters high and 20 meters wide. The avalanche turned as many as 81 buildings into ruins. Sixty-eight of those buildings were residential. About 1,500 people became homeless as a result of the disaster, about 200 were killed. The authorities decided not to distribute the information about the accident. The victims were buried quickly. Kiev disconnected itself from international communication the day when the tragedy occurred not to leak any information. These are just a few disasters that the USSR had seen in its history, but there were more.

By Farhad Akhmedov Armenian people should reconcile with their neighbors and abandon anti-Semitism, as states the former member of the Russian Federation Council Farhad Akhmedov. No one would consider a pedophile a decent person, nor should anyone consider a racist or anti-Semite person as someone respectable. If you justify such people and their actions, then you are a racist and an anti-Semite yourself.

As many as 100 armed men tried to seize the Archangel Michael Cathedral of the Ukrainian Orthodox Church (UOC) in the city of Cherkassy. The attackers smashed windows, broke doors, played songs about Stepan Bandera and threatened parishioners who were standing inside during the liturgy. One of the priests was injured. The invaders were wearing military uniforms. They managed to get to the altar in an attempt to force the believers out of the church, but the people fought back fiercely.  Metropolitan Theodosius of the UOC arrived to the cathedral with parishioners, the situation calmed down for a while, but the fights resumed soon. Theodosius was hurt during one of them.

The American Association of Critical-Care Nurses awarded three AACN Impact Research Grants of up to $50,000 each, bringing its total support to more than $1.5 million in funding since 2011.

As student absenteeism reaches record highs in schools across the United States, new research finds that student absences are linked to lower teacher job satisfaction, raising concerns that this may exacerbate growing teacher shortages.

Nearly three dozen Binghamton University, State University of New York researchers have been honored for their work by a Stanford University study that looks at the impact of scientists worldwide. The recently released ranking has identified 33 current faculty who were among the top 2% of all researchers in the world in their fields in 2023.

Nearly three dozen Binghamton University, State University of New York researchers have been honored for their work by a Stanford University study that looks at the impact of scientists worldwide. The recently released ranking has identified 33 current faculty who were among the top 2% of all researchers in the world in their fields in 2023.

[Inter-Korea] :
North Korea is presumed to have used its KN-25 600-millimeter multiple rocket launch system to fire off short-range ballistic missiles into the East Sea on Tuesday ahead of the U.S. presidential election. According to South Korea's Joint Chiefs of Staff(JCS), the missiles appeared to have reached ...

[more...]

The expression "the cherry on top" refers to a very good thing. You may think differently once you learn how maraschino cherries are actually made.

X-rays can penetrate deeply into biological cells and thus allow for examination of their internal structures with high spatial resolution. In this study, X-ray phase-contrast imaging and tomography is combined with an X-ray-compatible optical stretcher and microfluidic sample delivery. Using this setup, individual cells can be kept in suspension while they are examined with the X-ray beam at a synchrotron. From the recorded holograms, 2D phase shift images that are proportional to the projected local electron density of the investigated cell can be calculated. From the tomographic reconstruction of multiple such projections the 3D electron density can be obtained. The cells can thus be studied in a hydrated or even living state, thus avoiding artifacts from freezing, drying or embedding, and can in principle also be subjected to different sample environments or mechanical strains. This combination of techniques is applied to living as well as fixed and stained NIH3T3 mouse fibroblasts and the effect of the beam energy on the phase shifts is investigated. Furthermore, a 3D algebraic reconstruction scheme and a dedicated mathematical description is used to follow the motion of the trapped cells in the optical stretcher for multiple rotations.

This study characterizes the microstructure and mineralogy of 132 (ODP sample), 1000 and 1880 million-year-old chert samples. By using ultra-small-angle X-ray scattering (USAXS), wide-angle X-ray scattering and other techniques, the preservation of organic matter (OM) in these samples is studied. The scarce microstructural data reported on chert contrast with many studies addressing porosity evolution in other sedimentary rocks. The aim of this work is to solve the distribution of OM and silica in chert by characterizing samples before and after combustion to pinpoint the OM distribution inside the porous silica matrix. The samples are predominantly composed of alpha quartz and show increasing crystallite sizes up to 33 ± 5 nm (1σ standard deviation or SD). In older samples, low water abundances (∼0.03%) suggest progressive dehydration. (U)SAXS data reveal a porous matrix that evolves over geological time, including, from younger to older samples, (1) a decreasing pore volume down to 1%, (2) greater pore sizes hosting OM, (3) decreasing specific surface area values from younger (9.3 ± 0.1 m2 g−1) to older samples (0.63 ± 0.07 m2 g−1, 1σ SD) and (4) a lower background intensity correlated to decreasing hydrogen abundances. The pore-volume distributions (PVDs) show that pores ranging from 4 to 100 nm accumulate the greater volume fraction of OM. Raman data show aromatic organic clusters up to 20 nm in older samples. Raman and PVD data suggest that OM is located mostly in mesopores. Observed structural changes, silica–OM interactions and the hydro­phobicity of the OM could explain the OM preservation in chert.

A few days ago, a bug report from our office in Cambridge caught my attention. Computing the singular values and singular vectors of a particular matrix would sometimes cause MATLAB to crash.... read more >>

Facemasks remain worn as firefighter paramedic Jorge Miranda, holding syringe, speaks with Eduardo Vasquez, who has lived homeless on the streets of Los Angeles since 1992, before administering the one-shot Johnson and Johnson' Janssen Covid-19 vaccine as part of outreach to the homeless by members of the Los Angeles Fire Department's Covid Outreach unit on June 14, 2021 in Los Angeles.; Credit: FREDERIC J. BROWN/AFP via Getty Images

In our continuing series looking at the latest medical research and news on COVID-19, Larry Mantle speaks with UCSF’s Dr. Peter Chin-Hong. 

Topics today include:

• Two weeks after reopening, LA County’s new COVID-19 cases have doubled

• CDC: Infected vaccinated people carry less COVID-19 virus

• Delta variant is now detected in all 50 states

• J&J: “At present, there is no evidence to suggest need for a booster dose to be administered”

• Novavax claims vaccine’s overall efficacy is 89.7%

• Another respiratory virus is spreading in the U.S.

• Curevac’s final trial show shot is far less effective than other vaccines

• Can we now live with the coronavirus?

• Israel scrambles to curb rising COVID-19 infection rates

• Is it time to rethink “one-size-fits-all” approach for masking?

Guest:

Peter Chin-Hong, M.D., infectious disease specialist and professor of medicine at the UCSF Medical Center; he tweets @PCH_SF

This content is from Southern California Public Radio. View the original story at SCPR.org.

Micromax forays in the race of in-house mobile launcher driven by Machine Learning and AI to enhance the user experience.

; Credit: /Ryan Raphael for NPR

To say Leah Juelke is an award-winning teacher is a bit of an understatement. She was a top 10 finalist for the Global Teacher Prize in 2020; she was North Dakota's Teacher of the Year in 2018; and she was awarded an NEA Foundation award for teaching excellence in 2019.

But Juelke, who teaches high school English learners in Fargo, N.D., says nothing prepared her for teaching during the pandemic.

"The level of stress is exponentially higher. It's like nothing I've experienced before."

It's a sentiment NPR heard from teachers across the country. After a year of uncertainty, long hours and juggling personal and work responsibilities, many told NPR they had reached a breaking point.

Heidi Crumrine, a high school English teacher in Concord, N.H., says this has been the most challenging year she's ever encountered in her two decades of teaching.

"And I say [that] as someone who started her first day of teaching on 9/11 in the Bronx in New York City."

Teaching is one of the most stressful occupations in the U.S., tied only with nurses, a 2013 Gallup poll found. Jennifer Greif Green, an education professor at Boston University, says the additional stress teachers are reporting during the pandemic is worrying because it doesn't only affect educators — it also affects students.

"The mental health and well-being of teachers can have a really important impact on the mental health and well-being of the children who they're spending most of their days with," Green explains. "Having teachers feel safe and supported in their school environments is essential to students learning and being successful."

Lisa Sanetti, a professor of educational psychology at the University of Connecticut, says, "Chronically stressed teachers are just less effective in the classroom."

All that stress can also lead to burnout, which leads to teachers leaving the profession, Sanetti says. "And we have a huge teacher turnover problem in our country."

Districts are trying to help — with yoga classes, counseling sessions and webinars on mental health. Some teachers have organized trivia nights or online happy hours where colleagues can just vent. Teachers told NPR they force themselves to take breaks and go for a bike ride or call a friend. Some have started therapy.

But most of the educators NPR spoke with say they're so exhausted, that even self-care feels like one additional thing to do.

"The reality is, when you're living it, you're just trying to get to the end of the day successfully and try again tomorrow," Crumrine says.

"It feels like we're building the plane while we're flying it"

In March 2020, when schools moved online, teachers across the U.S. had to completely reimagine their approach to education, often with no training or time to prepare. For many, it was a rough transition.

Teachers told NPR they've spent the past year experimenting with different methods of online and hybrid teaching, while also providing tech support for their students and families. Many say they routinely work 12-hour days and on weekends, yet struggle to form relationships with children virtually. Answering emails can take two hours a day.

Rashon Briggs, who teaches high school special education in Los Angeles, spent a lot of time worrying about his students during remote learning (his district only recently started offering in-person options). "One of the biggest challenges is knowing that the kids were not getting the same level of service that they were getting in person," he says.

Teachers in districts that opened earlier for in-person learning say they have additional responsibilities now, such as sanitizing desks between classes, making sure children follow school safety protocols and keeping track of students who have had to quarantine.

"I have a calendar and it says who's quarantined, who is cleared to return on what day, who was absent," explains Rosamund Looney, who teaches first grade in Jefferson Parish, La. "Then I follow up with those families to see: 'Are you OK?' So there's just so much space taken up by that monitoring."

Looney also worries about her students' learning. Everyone in her district has to wear masks in class, which she says she completely agrees with. But those masks mean she can't see her first graders' mouths as they learn phonics.

"You are watching your teacher sound out words and then figuring out how to do that. And it's really hard for me to gauge what they are and aren't able to say." She says she's especially concerned about students who are more at risk of falling behind academically, like English learners.

In New Hampshire, Crumrine says quarantines and positive cases among school staff have led to a constant shifting between fully online and hybrid classes. The fluctuations have been exhausting for her. "We started the year remote. Then we went back to school in October, then we were remote again in November, December. We went back to hybrid [in early February]," she says. New Hampshire's governor has now ordered all schools reopen for full-time, in-person classes by this week.

"It feels like we're building the plane while we're flying it and the destination keeps changing on us," Crumrine says.

Balancing work and home life

In addition to worrying about their students, many teachers are also concerned about their own children. Crumrine, whose husband is also a teacher, has three children and says she feels pulled by competing demands.

"I feel this sense of guilt that I'm not a good enough teacher for my students and I'm not a good mother for my own kids. It just feels like a constant wave of never feeling like I can do what I know I'm good at."

Juelke, in North Dakota, is a single mom with a 9- and 3-year-old. "I'm juggling the children and making sure my daughter is in her class and my 3-year-old is entertained. And that is definitely taking a toll."

Many teachers say they are eating and drinking more, and exercising and sleeping less.

Briggs, in L.A., says his sleeping patterns are completely off. "Being awake all hours of the night, going to bed at 2, 3 a.m., drinking coffee late at night and try to finish work so I can be more prepared the next day."

He's stressed, in part, because there are no clear work-life boundaries anymore. "When you're waking up in the same space that you're on Zoom, that you're grading papers, that you're watching Netflix, those lines are blurred very easily."

Others say they're not as active at home, and they're eating more junk food and putting on weight. The tight schedules means they don't always move between classes, or even remember to drink water.

"There are a lot of dehydrated teachers out there," says Looney.

Many, like Juelke, say they miss having personal time. "That time where I could sit in the car and drive to work and just kind of relax a little, or my prep time at school alone. That's gone now. And so I feel like my mental health has struggled in that way."

She says even though it breaks her heart, she's started looking for another profession.

Leonda Archer, a middle school math teacher in Arlington, Va., says she's usually a very upbeat person, but the pandemic — coupled with the racial turmoil in the country — has taken a toll. She's African American, and says reports of Black men and women being killed by police makes her fear for her husband's safety.

"There were some points of lowness that I hadn't experienced before. There are some days where I feel like it's hard to keep going."

Archer says she has had difficulty sleeping, and doesn't have an appetite. "And right when I get into a groove, another traumatic experience happens."

Briggs says it was hard not being able to process events like George Floyd's death and the Black Lives Matter protests with his colleagues. In the past, those conversations informed what he would say in the classroom to help his own students make sense of the news.

"The teachers were not able to talk to each other about 'How do you talk about this? How do you present that?' " he says. "There was a lack of ability for us to communicate a message about social justice and rights and the wrongs."

Crumrine says she misses the social aspect of being with her students, and other teachers. "We're not eating lunch together. We're not popping into each other's classrooms. We're all in our little silos."

The school reopening divide

Teachers told NPR they feel a growing chasm in their communities: Parents want schools to open, but teachers first want to make sure it's safe. Many feel they are not being included in these conversations, and their concerns aren't being taken seriously.

Crumrine says it's been devastating hearing elected officials and parents criticize teachers, insisting that schools need to open, even though teachers are concerned about their own health. She says some community members acted like online classes meant teachers weren't working at all. In fact, she says, they were working harder than ever. "It just makes it feel so much worse when you read these horrible things that people say about us or these assumptions that they make about what we are or are not doing."

She says many states, including her own, didn't prioritize vaccines for teachers, which to her revealed just "how deep that lack of value of educators is."

Sarahi Monterrey, who teaches English learners in Waukesha, Wisc., says she's felt a "huge divide" in the community. "It almost seems like us against them." She was in a Zoom school board meeting where parents and students were present, and a teacher testified that her husband had COVID-19. "And a parent in the room said, 'Who cares?' And I was blown away. Just blown away."

In Virginia, Archer says, at the beginning of the pandemic, "We were seen as angels. Like, 'Oh my God, I've been home with my child for two months, how do teachers do it?' And now the narrative has totally flip-flopped."

She says she also misses "the vibe of school, the energy, all of that. But I don't want people to be sick."

Archer works 12-hour days, and says people need to remember that teachers are people too. "Our profession is a nurturing one, but we also are humans that need to be poured into. We need to be nurtured, too."

This content is from Southern California Public Radio. View the original story at SCPR.org.

; Credit: shuoshu/Getty Images

New rules kick in today that will help aspiring teachers pay for college and complete a years-long overhaul of the federal TEACH Grant program — from a bureaucratic bear trap that hobbled thousands of teachers with unfair student loan debts to a program that may actually make good on its foundational promise: to help K-12 educators pay for their own education in exchange for teaching a high-need subject, like math, for four years in a low-income community.

"The changes announced today deliver much-needed improvements to the TEACH Grant," said U.S. Secretary of Education Miguel Cardona. "Respecting and honoring teachers who serve students with the greatest needs also requires that we ensure these educators receive the support to which they are entitled from this important federal program without having to jump through unnecessary hoops."

In Dec. 2018, the Department of Education under Secretary Betsy DeVos committed to overhauling the program and, last summer, posted its more flexible revisions. Among those changes that go into effect today, teachers will no longer have their grants automatically converted to loans if they fail to submit annual certification paperwork. Instead, with eight years to make good on a four-year teaching requirement, teachers won't have their grants converted to loans until completion of the required service is no longer feasible.

The rule changes to the Teacher Education Assistance for College and Higher Education (TEACH) Grant Program were outlined by the U.S. Department of Education nearly a year ago but only go into effect today. And they are the culmination of a story that began several years ago, when the Government Accountability Office, followed by an NPR investigation, revealed that the program's strict paperwork requirements — what Cardona calls "unnecessary hoops" — were tripping up teachers who were keeping their end of the deal.

In accordance with the program's old rules, if a teacher did not submit annual paperwork on time documenting their teaching service in a qualified school, their TEACH Grants were automatically converted into loans that must be paid back with interest. Teachers who tried to appeal this conversion were given little recourse and told the process was not reversible.

Kaitlyn McCollum was teaching high school in Tennessee when her federal TEACH Grants were turned into more than $20,000 in loans simply because she had narrowly missed a paperwork deadline. In the spring of 2019, her debts were erased as part of the department's overhaul.

"We won," she told NPR. "We raised our voices and they finally heard us. Disbelief followed by a relief like I have not felt before."

While the program's flaws date back to its beginning, in 2008, it was the Trump administration that agreed to a remedy and apologized to teachers.

"We've put teachers who didn't deserve this stress, this pressure, this financial burden in a position that is frightening and confusing," the Education Department's then-acting undersecretary and acting assistant secretary, Diane Auer Jones, told NPR in 2019. "It seems like a small thing to do to say, 'I'm sorry,' but I'm very sorry. And we want to work to fix it and correct it."

In Aug. 2020, NPR reported that, since the program's overhaul began, more than 6,500 educators had successfully petitioned to have nearly $44 million in loans turned back into TEACH Grants. For teachers who could prove they had already completed their required service, their debts were simply discharged. For teachers still serving, the conversion meant they could resume the deal they made with the department and work to keep their grant money.

The new regulations also give teachers more options for pausing their service obligation, create a formal reconsideration process for any teacher who believes they've had their grants converted unfairly, and expand the scope of the program to include not only low-income communities but also high-need, rural areas where recruiting and retaining teachers can be difficult.

The Biden Administration says it wants to expand the TEACH Grant, making it more generous. If passed by Congress, the American Families Plan would increase the grant for college juniors, seniors and graduate students from $4,000 a year to $8,000 and would also make it available to many early childhood educators. In a release, the Education Department said it expects these changes would increase the number of TEACH recipients by more than 50 percent, to nearly 40,000 in 2022 — welcome news to school leaders in remote and high-need communities that sometimes struggle to entice new talent to the classroom.

This content is from Southern California Public Radio. View the original story at SCPR.org.

As researchers’ and teachers’ understanding of how best to learn and teach science evolves and curricula are redesigned, many teachers are left without the experience needed to enhance the science and engineering courses they teach, says a new report from the National Academies of Sciences, Engineering, and Medicine.

A new report from the National Academies of Sciences, Engineering, and Medicine finds K-12 teachers face new expectations and more demands from policymakers, parents, students, and schools, including addressing changes in curriculum standards, the emergence of more explicit teaching goals, and shifts in what it means to support all students in their development.

Engineering is emerging as an important topic in K-12 education in the U.S., and is being incorporated into education standards, instructional materials, and assessments.

The National Academies are partnering with the Chan Zuckerberg Initiative to administer a new funding opportunity that aims to recognize and further the leadership and scientific accomplishments of excellent biomedical researchers who — through outreach, mentoring, and teaching — have a record of promoting diversity, equity, and inclusion in their fields.

“The Creative Mind” has spent the last decade bringing heightened visibility to the contributions and stories of trailblazing African Americans in science, engineering, and medicine — such as mathematical engineer Christine Darden, astronaut Mae Jemison, zoologist Shirley Malcom, and many others.

Many scientists and researchers are among the millions of Ukrainians who have fled their country since the Russian invasion. The U.S. National Academy of Sciences has launched a new initiative to help these researchers and their families resettle in Poland.