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Nyheder2021juni15

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FÆNOMENET "KULTUREL EVOLUTION": A phenomenon called cultural evolution might be more important than genetic evolution in today's society. Cultural evolution is knowledge based and since medicine and other technologies have developed so far that vaccines can protect people without survival genes to deadly virus, knowledge in our society is valued more. This evaluation can be spread faster and so improve larger masses of people at faster rates.

https://www.sciencealert.com/human-culture-might-be-making-genetic-evolution-obsolete-says-new-study?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencealert-latestnews+%28ScienceAlert-Latest%29

 

SATELLIT-TJEK AF MIKROPLAST I HAVENE: With use of satellite pictures of oceans, researchers analysed surface tension and were able to detect where the micro plastics are present. The placement of plastics was as predicted, giving proof that the new method works. It is a faster and more efficient way to track plastic movement and source of where it comes from.

https://www.sciencealert.com/satellite-system-reveals-the-fluctuations-of-microplastics-around-the-world?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencealert-latestnews+%28ScienceAlert-Latest%29

Scientists convert used plastic bottles into vanilla flavouring
Production of chemical could help make recycling more attractive and tackle global plastic pollution Plastic bottles have been converted into vanilla flavouring using genetically engineered bacteria, the first time a valuable chemical has been brewed from waste plastic. Upcycling plastic bottles into more lucrative materials could make the recycling process far more attractive and effective. Curr
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LATEST

Gove 'pretty confident' end of Covid lockdown in England will not be delayed again
Minister says government trying not to impose 'imprisonment' of restrictions longer than necessary Coronavirus – latest updates See all our coronavirus coverage Ministers are "pretty confident" that the final lifting of Covid restrictions in England, delayed until 19 July, will not be pushed back again, Michael Gove has said. The Cabinet Office minister sought to reassure people the government wa
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Vaccines and oxygen run out as third wave of Covid hits Uganda
Vaccine thefts reported and hospitals unable to admit patients as cases leap 2,800% in a month Uganda has all but run out of Covid-19 vaccines and oxygen as the country grapples with another wave of the pandemic. Both private and public medical facilities in the capital, Kampala and in towns across the country – including regional hubs in Entebbe, Jinja, Soroti, Gulu and Masaka – have reported ru
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The Covid Delta variant: how effective are the vaccines?
Analysis: what protection do they offer against infection, hospital admission and death? Coronavirus – latest updates See all our coronavirus coverage As lockdown easing in England is delayed from 21 June to a possible date of 19 July amid concerns of a substantial wave of hospitalisations due to the Delta variant of coronavirus, we take a look at the latest data on the protection offered by vacc
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Whether Covid came from a leak or not, it's time to talk about lab safety | Gregory D Koblentz and Filippa Lentzos
We studied biosecurity at the world's most sophisticated laboratories, and found their policies often left much to be desired Dr Gregory D Koblentz is an associate professor at George Mason University, and Dr Filippa Lentzos is senior lecturer in science and international security at King's College London The debate on the origins of the Covid-19 pandemic has recently focused on the potential for
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China prepares to send astronauts to new space station
Crew reportedly getting ready to blast off this week to the Tiangong on China's longest crewed space mission to date The first crew for China's new space station has reportedly begun final preparations to blast off this week. The mission is China's first crewed spaceflight in nearly five years, and a matter of prestige for the government as it prepares to mark the 100th anniversary of the ruling
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Malicious content exploits pathways between platforms to thrive online, subvert moderation
Malicious COVID-19 online content—including racist content, disinformation and misinformation—thrives and spreads online by bypassing the moderation efforts of individual social media platforms, according to new research published in the journal Scientific Reports. By mapping online hate clusters across six major social media platforms, researchers at the George Washington University show how mali
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Eradicating polio is finally within reach. Why is the UK taking its foot off the pedal? | Anne Wafula Strike
Instead of cutting the aid budget – including 95% from the plan to stamp out the disease – Britain should take a global lead Despite the Covid pandemic, there have been just two recorded cases of wild polio in 2021 – in Afghanistan and Pakistan, the two remaining hiding places for the disease. But eradication is not guaranteed. Polio is virulent and spreads quickly. Even one case poses a threat t
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The Delta variant doubles the risk of hospitalization—but the vaccines still work
The risk of being hospitalized with the Delta covid-19 variant is roughly double that associated with the original Alpha strain, according to a study published in The Lancet . The study: The researchers analyzed data from 5.4 million people in Scotland, where the Delta variant is now dominant, from April 1 to June 6. After adjusting for age and comorbidities, the Delta variant approximately doubl
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Use of PFAS in cosmetics 'widespread,' new study finds
Many cosmetics sold in the United States and Canada likely contain high levels of per- and polyfluoroalkyl substances (PFAS), a potentially toxic class of chemicals linked to a number of serious health conditions, according to new research from the University of Notre Dame.
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Human-driven climate change only half the picture for krill
In the heart of their Antarctic habitat, krill populations are projected to decline about 30% this century due to widespread negative effects from human-driven climate change. However, these effects on this small but significant species will be largely indistinguishable from natural variability in the region's climate until late in the 21st century, finds new University of Colorado Boulder researc
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Why the Earth needs a course correction now
The massive impact of the COVID-19 pandemic on lives and economies underscores that our collective survival and well-being hinges on our willingness to confront environmental threats that have global consequences. Key to protecting lives and making communities more resilient to such threats will be an emphasis on proactive, science-based decision-making at all levels of society. And among the most
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The story behind infinitely recyclable plastic
A multidisciplinary Berkeley Lab team has been working for several years to develop a game-changing plastic that, unlike traditional plastics, can be recycled indefinitely and is not made from petroleum. Their latest milestone was the release of an analysis showing the feasibility and potential outcomes of launching the unique material, called poly(diketoenamine) or PDK, into the market at an indu
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The 'grand tour' Atlantic Ocean water takes around the world
Scientists at Scripps Institution of Oceanography at the University of California San Diego and colleagues have created an estimate of the journey water makes around the world ocean basins. They used information from more than 1 billion points of data collected over 25 years.
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The Novavax Vaccine Data, and Spike Proteins in General
1. Novavax Clinical Data Word came yesterday that Novavax had very good safety and efficacy in the trial of their recombinant protein vaccine. This is good news. By this point, the vaccine is much less needed here in the US, but it could be a very important part of getting many other countries vaccinated, due to its less demanding storage requirements and (relatively) straightforward production p
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China set to deliver 1bn Covid vaccine doses by end of this week
Cash incentives and gifts offered to fulfil target of vaccinating 40% of population by end of month Coronavirus – latest updates See all our coronavirus coverage China is on track to deliver 1bn vaccine doses by the end of this week, after ramping up production and distribution networks in an ambitious drive to vaccinate 40% of the population by this month. Chinese authorities have been encouragi
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The Atlantic Daily: 6 Things to Know About Delta, the New Coronavirus Variant
Every weekday evening, our editors guide you through the biggest stories of the day, help you discover new ideas, and surprise you with moments of delight. Subscribe to get this delivered to your inbox . A new variant of the coronavirus is raising alarms globally. What does it mean for Americans? The bad news: Delta, a scary new variant of the coronavirus, is spreading both stateside and abroad.
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Mobilapp mäter trygghet i vardagen
Vad avgör om en ungdom ska råka ut för ett brott – eller själv begå ett? Och kan en mobiltelefon säga något om hur, var och när människor känner sig trygga? Det undersöks i en ny avhandling. I sin avhandling har kriminologen Alexander Engström analyserat gymnasieungdomar som begår brott och utsätts för brott och dessutom mätt tryggheten hos universitetsstudenter genom en mobilapp: – Sambandet mel
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Rogue Planets' Moons Could Harbor Life, Says New Study
CC0 public domain The search for life among the stars naturally focuses on stars . That's where most planets are, after all, but a new analysis from a team of German and Chilean researchers points to another interesting possibility. Perhaps rogue planets that are not tethered to any star could provide a home for life — not on the planet itself but on a moon orbiting that planet . Based on all ava
26min
How carbon-intensive industries can scale up carbon recycling
New technologies that capture and recycle carbon dioxide from industrial processes such as steel and cement making will be vital if the EU is to meet its goal of slashing greenhouse gas emissions by at least 55% by 2030 and down to zero by 2050. However, while solutions are emerging, more work is needed in order to roll them out at scale, experts say.
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Rapid exclusion of COVID-19 infection using AI, EKG technology
Artificial intelligence (AI) may offer a way to accurately determine that a person is not infected with COVID-19. An international retrospective study finds that infection with SARS-CoV-2, the virus that causes COVID-19, creates subtle electrical changes in the heart. An AI-enhanced EKG can detect these changes and potentially be used as a rapid, reliable COVID-19 screening test to rule out COVID-
32min
Waking from Coma
There are many amusing movie tropes, mostly used as a shorthand for directors to communicate with the audience. Bags of groceries always have either a loaf of bread or a leafy vegetable sticking out the top, so that you know at a glance they are groceries. Live mics always give a burst of feedback when someone steps up to them. Holograms always glitch, so you know they are holograms. People falli
51min
Reconsidering John Marshall
John Marshall is America's most important jurist. Biographers are universally laudatory of the "Great Chief Justice." A recent documentary about him (in which I am interviewed) is subtitled The Man Who Made the Supreme Court . This icon of jurisprudence is central to America's constitutional development. For nearly three and a half decades, longer than any other chief justice, he led the Court an
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Is ignorant bliss better than knowledgable gloom?
The long-running series in which readers answer other readers' questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts Happier people live longer, more pleasant lives. Informed people are weighed down with the woes of the world. So, is ignorant bliss better than knowledgable gloom? Mary Shider, Macclesfield Post your answers (and new questions
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Learn The Infrastructure Of The Internet With This Cisco Training Bundle
The modern world thrives on the internet, even if there are some bizarre unintended consequences from tying everything to an Ethernet cable or wireless signal. And as networks grow, the demand for people who know how to design, build, maintain, and protect them becomes even more important. The 2021 Cisco CCNA & CCNP Certification Training Bundle will get you the certifications you need to become
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The Cost of Trump After Trump
When Joe Biden meets with Vladimir Putin tomorrow, huge numbers of news outlets will cover the story. One, however, stands to be part of the story. Russia's effort to expel Radio Free Europe/Radio Liberty (which is funded by, though editorially independent of, the United States government) from the country has received widespread attention. As the two presidents prepare to converge on Lake Geneva
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The U.S. Is Fighting Extremism All Wrong
In the two decades since September 11, the U.S. has fought terrorism and extremism by concentrating on law-enforcement and intelligence readiness, with experts focused on disrupting fringe groups before they carry out violence. This Band-Aid approach is ill-suited to combatting modern far-right extremism, which has spread well beyond fringe groups and into the mainstream. The extremism we're now
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How to cure all diseases
"I have a passion to solve a problem that is facing millions. I could have a job that makes more money, has normal hours, but this is where I should be right now." Dr Leen Kawas, CEO of Althira Pharma
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Widely covered paper on ranitidine-cancer link retracted
A paper linking the use of a wildly popular drug for heartburn to cancer has been retracted after the authors concluded that their widely touted finding appears to have resulted from a hiccup in the way they conducted their testing. The 2016 article, in Carcinogenesis, has played a minor role in an ongoing class action … Continue reading
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Unlabeled PFAS chemicals detected in makeup
Makeup wearers may be absorbing and ingesting potentially toxic per- and polyfluoroalkyl substances (PFAS), according to a new study. The researchers found high fluorine levels–indicating probable presence of PFAS–in about half of makeup tested. Some products underwent further analysis and were all confirmed to contain at least four PFAS of concern. Most products had no PFAS listed on the label.
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Homeroom: How to Make Summer Learning Fun
Editor's Note: Every week, Abby Freireich and Brian Platzer have taken questions from parents about their kids' education. This is the last article in the "Homeroom" series. Dear Abby and Brian, This year has been really hard emotionally, but now that a much-needed summer break is here, I'm starting to worry about academics. How do we prevent a summer slide? Thanks for everything, Zoe Brooklyn, N
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Top Gun Is an Infomercial for America
Illustration by Paul Spella; images by Mary Evans / Ronald Grant / Everett Collection This article was published online on June 15, 2021. I n 1983 , the Swedish aerospace and auto company Saab ran an ad with an old premise—sports cars are sexy—and a new twist: Saab's cars, the ad suggests, are as sexy as its fighter jets. The spot makes its case by splicing slo-mo shots of a car and a plane emerg
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Book Review: Irreversible Damage: The Transgender Craze Seducing Our Daughters, by Abigail Shrier
According to Harriet Hall, Abigail Shrier's book describes a disturbing trend: an increasing number of adolescent girls who suddenly self-identify as transgender and demand puberty blockers and gender surgeries. We have no data on how many of them will suffer irreversible damage and regret their decision, and it appears that at least some of them have been unduly influenced by peer pressure, the
2h
Nanoscale bubble domains with polar topologies in bulk ferroelectrics
Nature Communications, Published online: 15 June 2021; doi:10.1038/s41467-021-23863-w Experimentally manipulating bubble domains remains elusive especially in the bulk form of ferroelectrics. Here, the authors achieve self-confined bubble domains with multiple polar topologies in bulk Bi0.5Na0.5TiO3 ferroelectrics, demonstrating reversible and donut-like domain morphology evolution.
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Neuronal variability reflects probabilistic inference tuned to natural image statistics
Nature Communications, Published online: 15 June 2021; doi:10.1038/s41467-021-23838-x The neural sampling theory suggests that neuronal variability encodes the uncertainty of probabilistic inferences. This paper shows that response variability in primary visual cortex reflects the statistical structure of visual inputs, as required for inferences correctly tuned to the statistics of the natural e
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Structural basis of mechano-chemical coupling by the mitotic kinesin KIF14
Nature Communications, Published online: 15 June 2021; doi:10.1038/s41467-021-23581-3 KIF14 is a mitotic kinesin whose malfunction is associated with cerebral and renal developmental defects and several cancers. Here the authors use cryoEM to determine 20 structures of KIF14 constructs bound to microtubules in the presence of different nucleotide analogues and provide the structural basis for a c
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Significant underestimation of radiative forcing by aerosol–cloud interactions derived from satellite-based methods
Nature Communications, Published online: 15 June 2021; doi:10.1038/s41467-021-23888-1 Satellite-based estimates of radiative forcing by aerosol–cloud interactions are consistently smaller than those from global models, hampering accurate projections of future climate change. Here, the authors show that the discrepancy can be substantially reduced by correcting sampling biases induced by inherent
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Genome sequencing unveils a regulatory landscape of platelet reactivity
Nature Communications, Published online: 15 June 2021; doi:10.1038/s41467-021-23470-9 Platelet aggregation is associated with myocardial infarction and stroke. Here, the authors have conducted a whole genome sequencing association study on platelet aggregation, discovering a locus in RGS18, where enhancer assays suggest an effect on activity of haematopoeitic lineage transcription factors.
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Lasp1 regulates adherens junction dynamics and fibroblast transformation in destructive arthritis
Nature Communications, Published online: 15 June 2021; doi:10.1038/s41467-021-23706-8 Fibroblast-like synoviocytes are important mediators of joint pathology in rheumatoid arthritis (RA). Here the authors show that Lasp1 is epigenetically regulated and highly expressed by these cells in RA and its deletion can limit joint pathology in a mouse model of inflammatory arthritis.
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IL-6 regulates autophagy and chemotherapy resistance by promoting BECN1 phosphorylation
Nature Communications, Published online: 15 June 2021; doi:10.1038/s41467-021-23923-1 IL-6 is an important cytokine in the tumour microenvironment, but its role in regulating autophagy in cancer cells is unclear. Here the authors show that IL-6 activates autophagy in colorectal cancer through the interaction between JAK2 and autophagy regulator, BECN1, which leads to chemotherapeutic resistance.
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Super-resolution label-free volumetric vibrational imaging
Nature Communications, Published online: 15 June 2021; doi:10.1038/s41467-021-23951-x Super-resolution microscopy is often limited by photobleaching or uneven distribution of fluorophores. The authors present a label-free superresolution method termed VISTA, combining sample-expansion and vibrational imaging, with resolution down to 78 nm in protein-rich biological structures in cells and tissues
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Future job title: Genetic Reconstructionist
I'm imagining a very positive future at this moment so thought I'd throw up a possible future situation. Let's assume we have overcome most of the ecological challenges and many risks we will have in the coming decades. We are allowing ecosystems to recover but are aware they won't ever be what they used to be. So we decide to play God. We support ecosystems that have niches that are low life den
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Insect Population Decline/Climate Anxiety is driving me insane
Hello. In the past 2 years, ever since I became aware of the issues plaguing our planet – both political and environmental – my anxiety has reached new heights and is now seriously interfering with my day-to-day life. I have become incapable of enjoying most things, and I have frequent anxiety attacks. No matter what I do these issues are always on the back of my mind and nothing can alleviate fe
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Boeing Study Casts Doubt on Air Purifiers Used in Schools
Boeing found minimal or no reduction of pathogens on surfaces when treated with air purifier ionization technology made by Global Plasma Solutions. The study has been cited in a proposed class-action lawsuit that contends GPS makes "deceptive, misleading, and false" claims about its products.
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NASA snow campaign wraps for 2021
As the last snow melts, NASA's SnowEx teams are packing up the snowshoes, skis, and scientific instruments they've used all winter to study snow in mountains and prairies. Now, they're turning their attention to a different kind of mountain—all of the data they collected.
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Job-related stress threatens the teacher supply: RAND survey
Nearly one in four teachers may leave their job by the end of the current (2020-'21) school year, compared with one in six who were likely to leave prior to the pandemic, according to a new RAND Corporation survey. Teachers who identified as Black or African American were particularly likely to consider leaving.
5h
My Lab Uses Ultrasound to Stimulate Unconscious Patients – Facts So Romantic
Ultrasound can be a neuromodulator—to increase or decrease the likelihood that neurons will fire. Exactly how this works remains unclear, but it likely results from the physical "shaking" of neurons. Illustration by Jackie Niam / Shutterstock A few years ago, at Ronald Reagan UCLA Medical Center, I escaped the noisy midday hustle and bustle, ducking into a room in the Intensive Care Unit. It was
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A new reporter mouse line to detect mitophagy changes during muscle tissue loss
The information presented in this study is primarily positioned to benefit scientists and experts in Cellular Physiology and Histochemistry where new tools to discover therapeutic targets for muscle atrophy are needed. The study outlines the development of a new fluorescent reporter mouse line to detect changes in mitophagy activity. These findings could revolutionize treatment strategies and poss
8h
Eco-friendly smart farms based on nutrient solution recirculation
A research team at Korea Institute of Science and Technology (KIST) proposes a method that can stably manage the microbial population in recirculating hydroponic cultivation systems. The research team conducted an integrated analysis of the microbial growth characteristics by constructing a model that simulates the flow of water and nutrients, and the inflow, growth, and discharge of microorganism
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Job-related stress threatens the teacher supply – RAND survey
Nearly one in four teachers may leave their job by the end of the current (2020-'21) school year, compared with one in six who were likely to leave prior to the pandemic, according to a new RAND Corporation survey. Teachers who identified as Black or African American were particularly likely to consider leaving. These results suggest potential immediate and long-term threats to the teacher supply.
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Young adults' alcohol use increases when casually dating
When young adults are more interested in socializing and casually dating, they tend to drink more alcohol, according to a new paper led by a Washington State University professor.On the other hand, scientists found that when young adults are in serious relationships, are not interested in dating or place less importance on friendship, their alcohol use was significantly lower.
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Head impacts and abnormal imaging findings in youth football players over consecutive seasons
Researchers examined the frequency and severity of head impacts experienced by youth football players and how exposure to head impacts changes from one year to the next in returning players. The researchers then compared the resulting data with findings on neuroimaging studies obtained over consecutive years in the same athletes. The comparison demonstrated a significant positive association betwe
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Lipophilic statin use linked to increased risk of dementia
In patients with mild cognitive impairment, taking lipophilic statins more than doubles their risk of developing dementia compared to those who do not take statins. According to research presented at the Society of Nuclear Medicine and Molecular Imaging 2021 Annual Meeting, positron emission tomography (PET) scans of lipophilic statin users revealed a highly significant decline in metabolism in th
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New PET tracer detects hallmark of Alzheimer's disease years before symptoms emerge
A novel PET radiotracer has been shown to effectively measure increases in brain tau–a distinguishing characteristic of Alzheimer's disease–before any symptoms of the disease are observed. With the potential to measure increases in tau over a long period of time, this tracer offers an important tool to assess the effectiveness of Alzheimer's disease treatments in clinical trials. This research w
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Novel radiopharmaceutical tracks 'master switch' protein responsible for cancer growth
A protein that is critical in cancer cell metabolism has been imaged for the first time with a newly developed radiopharmaceutical, 18F-DASA-23. Imaging with this novel agent has the potential to improve the assessment of treatment response for patients, specifically those with brain tumors. This study was presented at the Society of Nuclear Medicine and Molecular Imaging 2021 Annual Meeting.
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