Friday, May 9, 2025

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Researchers: Doomsday prophecies are nothing new

Published 1 January 2025
– By Editorial Staff
The four horsemen of the apocalypse.

The media and politicians feed people in the West with alarms that humanity and the entire planet are threatened by climate change, disease, war and death a narrative that shapes a bleak worldview and creates stress and mental illness in many.

Researchers at Lund University, however, point out that the idea that the world is about to end is by no means a new phenomenon, but has been common throughout humanity’s documented history.

– In fact, we have always been as close or as far from an apocalypse, if by that we mean a global catastrophe that wipes out or radically alters life. The idea that human life is fragile and can come to an abrupt end is as old as humanity, explains Blaženka Scheuer, Senior Lecturer and Associate Professor of Old Testament Exegetics at Lund University.

Already in Sumerian and early Jewish writings, long before the birth of Jesus, stories of devastating disasters and doomsday-like events were written. In the Bible’s Book of Revelation, it is described, among other things, how the sun turns black, the stars fall down and the moon is colored red like blood.

According to Scheuer, it is the Book of Revelation that has colored people’s views and thoughts about the end of the world in the following centuries and still does.

– Because the Bible has played such a major role in history, people have related in different ways to the imaginary world of the Book of Revelation, which has, however, changed shape over the course of history. Not infrequently, people have interpreted pandemics and disease from this apocalyptic narrative. The plague but also COVID-19 are such examples, she says.

“Served as a comfort”

She encourages anyone curious about ancient people’s reflections and thoughts on crises and threats to read the Book of Revelation but also warns that it is difficult to read and unstructured.

– At the same time, it is good to remember that the Book of Revelation, when it was written in the 90s AD, served as a comfort and encouragement for those suffering severe persecution to endure. Looking forward to a time when evil will be defeated once and for all gave them hope.

Although feelings of hopelessness and thoughts of crises and disasters as something overwhelming and beyond control have always existed, Blaženka Scheuers believes that it is up to each new generation to learn how to deal with its own challenges and not become numb.

– We may be able to protect ourselves from an earthquake, but we cannot really influence it. When it comes to climate change, wars and authoritarian regimes, we are not without agency. We can actually have an impact, she says.

At the End of the World is an interdisciplinary research group at Lund University where researchers investigate how apocalyptic thoughts and currents shape historiography, legal-political thinking and populist rhetoric as well as media reporting on AI, climate threats and migration.

The program runs over 6 years (2023-2028) and includes 23 researchers from disciplines such as history, law, history of ideas, media history, ethnology, political science, philosophy of religion, gender studies, church history, art history, exegetics and theology.

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Robotic insects to revolutionize agriculture

Published 6 May 2025
– By Editorial Staff
An early version of the robotic insect from MIT.

Researchers are developing different types of robotic insects. The idea is that they will revolutionize agriculture when other pollinators are threatened with extinction, but also to be able to engage in surveillance.

Today, a large proportion of the world’s pollinators, such as bees and butterflies, are heading towards extinction, with the UN estimating that nearly 35% are threatened with extinction globally. However, robotic insects are not intended to replace real insects, but rather to develop agriculture.

Pollination is critical to the entire food industry, as 75% of the world’s food grown depends on pollination. Researchers at the Massachusetts Institute of Technology (MIT) believe that with artificial pollination, using robotic insects, farmers could in the future grow fruit and vegetables in multi-storey warehouses. This, in turn, is said to increase yields while reducing some of the harmful environmental effects of farming.

For some time, researchers have been working on developing various robotic insects. Earlier versions of the robotic insect consisted of four identical units, each with two wings, combined into a rectangular unit about the size of a microcassette.

Now, much smaller and more durable robotic insects have been developed. The new robots can hover for about 1 000 seconds, which is more than 100 times longer than previously demonstrated. At the same time, they weigh about the same as a paper clip and can fly much faster.

– Compared to the old robot, we can now generate control torque three times larger than before, which is why we can do very sophisticated and very accurate path-finding flights, said researcher Kevin Chen in a press release.

The goal is to achieve a flight lasting longer than 10,000 seconds. They also want to improve its precision so that it can land and take off from a flower, which it currently cannot do.

Photo: Harvard SEAS

Inspired by the crane fly

Researchers at Harvard University have also been working on developing robotic insects. RoboBee can fly, dive and hover like a real insect. The robot weighs only one-tenth of a gram and has a wingspan of three centimeters. The idea is that RoboBee could be used for artificial pollination, but also for surveillance and rescue operations.

However, researchers have long struggled to land it effectively, but now they have found a solution. Taking inspiration from nature, a seemingly graceful landing has been upgraded for RoboBee.

The crane fly spends much of its short life landing and taking off, and it has a strong ability to cushion the landing using its long legs that almost act as shock absorbers. Since the robot’s size and shape were already similar to the crane’s, the researchers chose to develop the robot’s legs like the crane’s.

However, RoboBee is still unable to fly without external energy and is wired. The idea now is to continue developing the robot.

– The longer-term goal is full autonomy, but in the interim we have been working through challenges for electrical and mechanical components using tethered devices, said researcher Robert Wood, from Harvard, in a press release.

New endocrine-disrupting chemicals detected in Swedish blood samples

Published 3 May 2025
– By Editorial Staff
It is still difficult to assess the extent of the negative health effects of environmental pollution.

A new group of environmental pollutants has been discovered in the blood of Swedes. Some of the substances may have a negative impact on fertility and may also be endocrine disruptors.

So-called synthetic phenolic antioxidants (SPAs) have been found in 30 blood donors in Stockholm, confirmed a study from Stockholm University.

SPAs are found in food packaging, chewing gum, clothing and skin care products, where they are often used to increase the durability of materials. Some of these substances are on the EU’s so-called candidate list, i.e. a list of substances of very high concern. This is because some of the substances can be endocrine disruptors and also negatively affect fertility.

Previous studies from China and the US have shown that the substances are present in both humans and the environment, and some in high concentrations. However, this is the first time it has been detected in the blood of Swedes. The levels are comparable or even higher than the levels of the more well-known PFAS substances, according to researchers.

This study is a first indication that we have a high exposure to SPAs also in Sweden. Studies on more individuals in different parts of Sweden need to be done to understand the extent of the problem, says researcher Josefin Engelhardt in a press release.

“Don’t know what the consequences will be”

One reason why SPA levels may have been missed in the past is because of the great care required when analyzing blood. Since SPAs are used in plastics and laboratory materials, it is important to be sure that it is the blood levels that are being measured and not substances added during sample collection. However, new methods have now been developed to analyze SPAs in blood.

The researchers say that we now need to find out where SPAs come from and also investigate their health effects, to best prevent them from spreading and affecting people and the environment.

We don’t know what the consequences of long-term exposure to these substances will be, but the fact that they are present in high levels in the blood is sufficient to act and reduce the levels in accordance with the Swedish Parliament’s environmental quality objective ‘A non-toxic environment’, says Engelhardt.

Young adults in Sweden feel shame about scrolling habits

Published 25 April 2025
– By Editorial Staff

Young adults in Sweden often feel ashamed of their mobile phone addiction and experience themselves to a high degree that they have an addictive behavior, according to research from the University of Gothenburg.

The study looked at how people between the ages of 20 and 35 view their own mobile phone use. It emerges that many consider themselves to be addicted and find it difficult to let go of their cell phones.

André Jansson, one of the researchers behind the study, believes that a form of culture has been created where it has become associated with social status to have the ability to reduce screen time and have control over their mobile phone use, something that many people feel they are unable to live up to in reality. Many also feel that they are wasting their time scrolling and ashamed that they cannot control it.

– When you can’t live up to that ideal, it creates a moral dissonance, you don’t use your smartphone in the way you would like to, Jansson told the state channel SVT.

 

Painkillers linked to increased risk propensity

Published 19 April 2025
– By Editorial Staff
If large groups have an impaired perception of risk, this can have significant societal consequences.

Paracetamol can affect how we perceive risk, according to a US study. Students given painkillers before experiments were found to take greater risks than those given a placebo – something the researchers say may also have societal implications.

Paracetamol is an over-the-counter medication commonly taken for pain and fever and is available in the form of several different brands such as Alvedon, Orifarm and Apofri.

In the study, which was published in Social Cognitive and Affective Neuroscience in 2020, participants were asked to perform various experiments and then assessed based on their risk-taking. Over 500 university students took part in the experiments, with half of the group receiving a single dose of 1000 milligrams of acetaminophen before the experiments, and the rest receiving a placebo.

In one of the experiments, participants had to inflate balloons via a computer game, with each individual pump providing pretend money. The point was not to blow up the balloon with too much air as all the money earned would be lost. The results showed that the students taking paracetamol engaged in significantly more risk-taking during the exercise, compared to the more cautious placebo group.

Overall, those taking paracetamol inflated, and burst, their balloons more than the control group.

“Less negative emotions”

Researcher Baldwin Way from Ohio State University, who is behind the study, believes that this may have to do with the fact that paracetamol has a certain anxiolytic effect.

If you’re risk-averse, you may pump a few times and then decide to cash out because you don’t want the balloon to burst and lose your money, Way says, adding:

But for those who are on acetaminophen, as the balloon gets bigger, we believe they have less anxiety and less negative emotion about how big the balloon is getting and the possibility of it bursting.

The balloon experiment was repeated twice, with similar results. Furthermore, during the experiments, participants were asked to complete questionnaires in which they had to assess risk levels around hypothetical scenarios. For example, betting a day’s income on a sporting event, bungee jumping off a high bridge or driving a car without a seatbelt.

“Significant effects on society”

Those who had taken paracetamol were clearly more comfortable with, for example, the idea of driving without a seatbelt compared to the placebo group.

Way says the study suggests that the substance “seems to make people feel less negative emotion when they consider risky activities”, which he says could have implications for society.

With nearly 25 per cent of the population in the US taking acetaminophen each week, reduced risk perceptions and increased risk-taking could have important effects on society, he says.

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