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Nuclear war could trigger big El Niño and decrease seafood

Unprecedented warming in equatorial Pacific Ocean could last up to seven years

Nuclear war could trigger big El Niño and decrease seafood
2021-01-25
(Press-News.org) A nuclear war could trigger an unprecedented El Niño-like warming episode in the equatorial Pacific Ocean, slashing algal populations by 40 percent and likely lowering the fish catch, according to a Rutgers-led study.

The research, published in the journal END

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Nuclear war could trigger big El Niño and decrease seafood

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Mental health is important to overall health, and heart disease prevention and treatment

2021-01-25
DALLAS, Jan. 25, 2021 -- Psychological health can positively or negatively impact a person's health and risk factors for heart disease and stroke, according to "Psychological Health, Well-Being, and the Mind-Heart-Body Connection," a new American Heart Association Scientific Statement, published today in the Association's flagship journal Circulation. The statement evaluates the relationship between psychological health and heart health, summarizing ways to help improve psychological health for people with and at risk for heart disease. "A person's mind, heart and body are all interconnected and interdependent in what can be termed 'the mind-heart-body-connection,'" said Glenn N. Levine, M.D., FAHA, master clinician and professor of medicine at ...

Despite some advances, women still face disparities of the global burden of stroke

2021-01-25
DALLAS, Jan. 25, 2021 -- The continued global burden of stroke and how it disproportionately affects women are highlighted in new science published online today in the February issue of Stroke, a journal of the American Stroke Association, a division of the American Heart Association. Stroke editors selected nine manuscripts focused on stroke disparities in women in this collaboration with Go Red for Women®, the Association's global movement to end heart disease and stroke in women. "Stroke continues to be a leading cause of death and disability worldwide, with women being more adversely affected by the global burden of stroke," said Stroke Editor-In-Chief Ralph L. Sacco, M.D., M.S., FAHA, ...

Microbes fuelled by wind-blown mineral dust melt the Greenland ice sheet

Microbes fuelled by wind-blown mineral dust melt the Greenland ice sheet
2021-01-25
Scientists have identified a key nutrient source used by algae living on melting ice surfaces linked to rising sea levels. The Greenland ice sheet - the second largest ice body in the world after the Antarctic ice sheet - covers almost 80% of the surface of Greenland. Over the last 25 years, surface melting and water runoff from the ice sheet has increased by about 40%. The international research team, led by the University of Leeds, analysed samples from the southwestern margin on Greenland's 1.7 million km² ice sheet over two years. They discovered that phosphorus containing minerals may be driving ever-larger algal blooms on the Greenland Ice Sheet. As the algal blooms grow they darken the ice surface, decreasing albedo - ...

Nanomedicine's 'crown' is ready for its close up

2021-01-25
EAST LANSING, Mich. - An international team of researchers led by Michigan State University's Morteza Mahmoudi has developed a new method to better understand how nanomedicines -- emerging diagnostics and therapies that are very small yet very intricate -- interact with patients' biomolecules. Medicines based on nanoscopic particles have the promise to be more effective than current therapies while reducing side effects. But subtle complexities have confined most of these particles to research labs and out of clinical use, said Mahmoudi, an assistant professor in the Department of Radiology and the Precision Health Program. "There's been a considerable investment of taxpayer money in cancer nanomedicine research, but that research hasn't successfully translated ...

COVID-19 warnings were on Twitter well before the outbreak of the pandemic

2021-01-25
Even before public announcements of the first cases of COVID-19 in Europe were made, at the end of January 2020, signals that something strange was happening were already circulating on social media. A new study of researchers at IMT School for Advanced Studies Lucca, published in END ...

Global ice loss increases at record rate

Global ice loss increases at record rate
2021-01-25
The rate at which ice is disappearing across the planet is speeding up, according to new research. And the findings also reveal that the Earth lost 28 trillion tonnes of ice between 1994 and 2017 - equivalent to a sheet of ice 100 metres thick covering the whole of the UK. The figures have been published today (Monday, 25 January) by a research team which is the first to carry out a survey of global ice loss using satellite data. The team, led by the University of Leeds, found that the rate of ice loss from the Earth has increased markedly within the past three decades, from 0.8 trillion tons per year in the 1990s to 1.3 trillion tons per year by 2017. Ice melt across the globe ...

Childhood cancer survivors are not more likely to terminate their pregnancies

2021-01-25
Female childhood cancer survivors face a lower likelihood of becoming pregnant than women in the general population, but once pregnant, they are not more likely to undergo an abortion. The findings come from a new study published early online in CANCER, a peer-reviewed journal of the American Cancer Society. Cancer survivors might be reluctant to start a family due to concerns for their children's health as well as the potential recurrence of their own cancer. This could lead to a greater likelihood of induced abortions in female survivors who become pregnant. To examine whether pregnancies of childhood cancer survivors are more likely to end with ...

Fine tuning first-responder immune cells may reduce TBI damage

Fine tuning first-responder immune cells may reduce TBI damage
2021-01-25
AUGUSTA, Ga. (January 25, 2021) - Immediately after a traumatic brain injury and as long as one year later, there are increased levels of immune cells called ILCs in the brain promoting inflammation, which can worsen brain damage, scientists report. They also report for the first time that the cell energy sensor AMPK is a brake that can stop what becomes a chronic state of destructive inflammation driven by these ILCs, or innate lymphoid cells. "We think ILCs are kind of a master regulator of all that inflammation happening within the brain," says Dr. Krishnan Dhandapani, neuroscientist in the Department of Neurosurgery at the Medical College of Georgia at Augusta University. "It's like the ...

Efficient solid-state depolymerization of waste PET

Efficient solid-state depolymerization of waste PET
2021-01-25
These results were published in the prestigious journal ChemSusChem and thanks to the remarkable reviews, the paper was ranked among the top five percent publications in the field, thus earning a Very Important Paper (VIP) status. Furthermore, the editorial board featured this study on its cover. Plastic pollution has become one of the most complex environmental issues, especially in the context of increasing production and demand for plastic materials. While innovations in polymer chemistry have radically changed our lives in the mid-20th century, the outstanding properties of plastics such as durability, chemical stability, strength and many other pose a serious problem ...

Women influenced coevolution of dogs and humans

2021-01-25
PULLMAN, Wash. - Man's best friend might actually belong to a woman. In a cross-cultural analysis, Washington State University researchers found several factors may have played a role in building the mutually beneficial relationship between humans and dogs, including temperature, hunting and surprisingly - gender. "We found that dogs' relationships with women might have had a greater impact on the dog-human bond than relationships with men," said Jaime Chambers, a WSU anthropology Ph.D. student and first author on the paper published in the Journal of Ethnobiology. "Humans were more likely to regard dogs as a type of person if the dogs had a special ...

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[Press-News.org] Nuclear war could trigger big El Niño and decrease seafood
Unprecedented warming in equatorial Pacific Ocean could last up to seven years