COVID-19 patients who undergo surgery are at increased risk of postoperative death

Patients undergoing surgery after contracting coronavirus are at greatly increased risk of postoperative death, a new global study published in The Lancet reveals. Researchers found that amongst SARS-CoV-2 infected patients who underwent surgery, mortality rates approach those of the sickest patients admitted to intensive care after contracting the virus in the community.

Chimpanzees help trace the evolution of human speech back to ancient ancestors

One of the most promising theories for the evolution of human speech has finally received support from chimpanzee communication, in a study conducted by a group of researchers led by the University of Warwick.

SpaceX readies for blast-off with NASA astronauts aboard

Gray skies loomed over Florida's Atlantic coast Tuesday, just one day before two astronauts were set to blast off aboard a SpaceX capsule on the most dangerous and prestigious mission NASA has ever entrusted to a private company.

Optimal time to treat Huntington's disease identified

The earliest brain changes due to Huntington's disease can be detected 24 years before clinical symptoms show, according to a new UCL-led study.

Biophysicists find a way to take a peek at how membrane receptors work

In a study published in Current Opinion in Structural Biology, MIPT biophysicists explained ways to visualize membrane receptors in their different states. Detailed information on the structure and dynamics of these proteins will enable developing effective and safe drugs to treat many sorts of conditions.

Next-generation perovskite solar cells pass strict international tests

Australian scientists have for the first time produced a new generation of experimental solar energy cells that pass strict International Electrotechnical Commission testing standards for heat and humidity.

COVID-19 disruption will lead to 28 million surgeries cancelled worldwide

Over 28 million elective surgeries across the globe could be cancelled as a result of the COVID-19 pandemic—leading to patients facing a lengthy wait for their health issues to be resolved, a new study reveals.

Nearly quarter of a billion people in Africa will catch coronavirus and up to 190,000 could die

Nearly a quarter of a billion people across Africa will catch coronavirus during the first year of the pandemic, and up to 190,000 of them will likely die, unless urgent action is taken to control the infection, reveals a predictive modelling study, accepted for publication in BMJ Global Health.

COVID-19 death counts 'substantial underestimation' of actual deaths for some Italian regions

Official covid-19 death counts are likely to be a "substantial underestimation" of the actual number of deaths from the disease, at least for some Italian regions, concludes a study published by The BMJ today.

Misleading information in 1 in 4 most viewed YouTube COVID-19 videos in English

More than one in four of the most viewed COVID-19 videos on YouTube in spoken English contains misleading or inaccurate information, reveals the first study of its kind, published online in BMJ Global Health.

Compression stockings might not be needed to prevent blood clots after surgery

Compression stockings might be unnecessary to prevent blood clots in most patients undergoing non-emergency (elective) surgery, finds a clinical trial published by The BMJ today.

Adolescence is ruff for dogs too

New research led by scientists from Newcastle University and the University of Nottingham has shown that typical teenage behaviour doesn't just occur in young humans—it happens in dogs too.

Moths have a secret but vital role as pollinators in the night

Moths are important pollen transporters in English farmland and might play a role in supporting crop yields, according to a new UCL study.

COVID-19 baby boom? This new study suggests perhaps not

Over 80% of people surveyed in a study do not plan to conceive during the COVID-19 crisis, perhaps putting to rest suggestions that the lockdown could lead to rise in birth numbers.

Delaying bariatric and metabolic surgery during COVID-19 pandemic puts patients at risk, experts warn

New guidance identifies patients with the greatest need for bariatric and metabolic surgery as experts warn delaying treatment could put them at a greater risk of complications from their disease as well as from COVID-19.

Be clear, positive, and targeted, to help public stick to social distancing, governments urged

Clear, positive, messaging that is segmented by age, culture, and geography is key to helping the public stick to social distancing measures to stop the spread of Covid-19 infection, say behavioural experts in a commentary accepted for publication in the Journal of Epidemiology and Community Health.

Marketing claims for infant formula should be banned, argue experts

Marketing claims for infant formula should be banned, argue experts in The BMJ today.

Being overweight in life, not just childhood, increases risk of heart disease and diabetes

The association between childhood obesity and increased risk of coronary artery disease and type 2 diabetes is due to individual's remaining overweight into adulthood, finds a new University of Bristol study. The research, published in The BMJ, investigated how the genetic influence of being overweight in 453,169 individuals at different stages of life contributed towards their disease risk.

Mexico's sugary drinks tax has helped cut consumption after just three years

Introducing a sugary drinks tax in Mexico seems to have helped reduce consumption of soft drinks after just three years, finds a study published by The BMJ today.

Study finds meditation and aerobic exercise relieves stress in medical school students

Rutgers Robert Wood Johnson Medical School student Paul Lavadera expected his career would put him on the front lines of dealing with medical emergencies.

Imaging technology allows visualization of nanoscale structures inside whole cells

Since Robert Hooke's first description of a cell in Micrographia 350 years ago, microscopy has played an important role in understanding the rules of life.

New study spotlights the dark side of venture capitalist funding

Susan Fowler turned Silicon Valley upside down in 2017 when she posted an essay on her website about the sexual harassment she experienced while working for Uber.

Study reveals single-step strategy for recycling used nuclear fuel

A typical nuclear reactor uses only a small fraction of its fuel rod to produce power before the energy-generating reaction naturally terminates. What is left behind is an assortment of radioactive elements, including unused fuel, that are disposed of as nuclear waste in the United States. Although certain elements recycled from waste can be used for powering newer generations of nuclear reactors, extracting leftover fuel in a way that prevents possible misuse is an ongoing challenge.

Warming Midwest conditions may result in corn, soybean production moving north

If warming continues unabated in the Midwest, in 50 years we can expect the best conditions for corn and soybean production to have shifted from Iowa and Illinois to Minnesota and the Dakotas, according to Penn State researchers.

How many jobs do robots really replace?

In many parts of the U.S., robots have been replacing workers over the last few decades. But to what extent, really? Some technologists have forecast that automation will lead to a future without work, while other observers have been more skeptical about such scenarios.

New guidelines for treating the sickest COVID-19 patients

As the number of coronavirus cases continues to rise and the deaths mount, the American Society for Artificial Internal Organs (ASAIO) has drafted a set of recommendations for health care workers on the front lines, to help them make decisions on how to treat the most critical patients, those with severe lung or heart failure

Long-term risks of hypertensive disorders during pregnancy impact more women

Twice as many women who experienced a hypertensive disorder during any of their pregnancies were at increased risk of developing heart or kidney diseases earlier in life based on incidence per woman versus per pregnancy, according to a study published today in the Journal of the American College of Cardiology. This is one of the first studies to look at incidence of hypertensive disorders per woman vs. per pregnancy, which accounts for women who are pregnant multiple times.

PCSK9 inhibitor with statin does not cause loss in memory, mental skills in high-risk patients

Heart disease patients taking evolocumab in addition to a statin to achieve extremely low levels of cholesterol do not show increased incidence of neurocognitive impairments, including memory loss or reduction in executive functions (mental skills), while at the same time have a decrease in recurrent cardiovascular events such as stroke and heart attack, according to a study published in the Journal of the American College of Cardiology that examined the cognitive function of the entire FOURIER cohort at two years.

Blood flows could be more turbulent than previously expected

Blood flow in the human body is generally assumed to be smooth due to its low speed and high viscosity. Unsteadiness in blood flow is linked to various cardiovascular diseases and has been shown to promote dysfunction and inflammation in the inner layer of blood vessels, the endothelium. In turn, this can lead to the development of arteriosclerosis—a leading cause of death worldwide—where arterial pathways in the body narrow due to plaque buildup. However, the source of this unsteadiness is not well understood. Now, IST Austria professor Björn Hof, together with an international team of researchers, has shown that pulsating blood flows, such as those from our heart, react strongly to geometric irregularities in vessels (such as plaque buildup) and cause much higher levels of velocity fluctuations than previously expected. The research could have implications on how we study blood flow related diseases in the future.

Climate change has been influencing where tropical cyclones rage: study

While the global average number of tropical cyclones each year has not budged from 86 over the last four decades, climate change has been influencing the locations of where these deadly storms occur, according to new NOAA-led research published in Proceedings of the National Academy of Sciences.

AI tool speeds up search for COVID-19 treatments and vaccines

Northwestern University researchers are using artificial intelligence (AI) to speed up the search for COVID-19 treatments and vaccines. The AI-powered tool makes it possible to prioritize resources for the most promising studies—and ignore research that is unlikely to yield benefits.

Intensive farming increases risk of epidemics, warn scientists

Overuse of antibiotics, high animal numbers and low genetic diversity caused by intensive farming techniques increase the likelihood of pathogens becoming a major public health risk, according to new research led by UK scientists.

Scholes finds novel magnetic field effect in diamagnetic molecules

The Princeton University Department of Chemistry publishes research this week proving that an applied magnetic field will interact with the electronic structure of weakly-magnetic, or diamagnetic, molecules to induce a magnetic-field effect that, to their knowledge, has never before been documented.

Research shows how park-like tsunami defenses can provide a sustainable alternative to towering seawalls

In tsunami preparedness, it turns out there can be strength in beauty. Rows of green hills strategically arranged along coastlines can help to fend off destruction from tsunamis while preserving ocean views and access to the shore. For some communities, they may offer a better option than towering seawalls.

Microorganisms in parched regions extract needed water from colonized rocks

In Northern Chile's Atacama Desert, one of the driest places on Earth, microorganisms are able to eke out an existence by extracting water from the very rocks they colonize.

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