Reddit Science
- The universe may have a complex, nontrivial topologywww.sciencenews.org The universe may have a complex geometry — like a doughnut
Physicists haven’t yet ruled out the possibility that the universe has a complicated topology in which space loops back around on itself.
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The original was posted on /r/science by /u/Science_News on 2024-05-15 13:38:43+00:00.
- Eco-friendly and affordable battery for low-income countries. The battery is stable, as it can be used over 8000 cycles while maintaining about 80% of its performance. The battery retains its char...liu.se Eco-friendly and affordable battery for low-income countries
A battery made from zinc and lignin that can be used over 8000 times. This has been developed by researchers at LiU with a vision to provide a cheap and sustainable battery solution for countries where access to electricity is limited.
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The original was posted on /r/science by /u/Wagamaga on 2024-05-15 12:57:59+00:00.
Original Title: Eco-friendly and affordable battery for low-income countries. The battery is stable, as it can be used over 8000 cycles while maintaining about 80% of its performance. The battery retains its charge for approximately one week, significantly longer than other similar zinc-based batteries
- When excluding changes in physical attributes, 89.3% of all transplant recipients reported experiencing a personality change after receiving their organ transplant.www.mdpi.com Personality Changes Associated with Organ Transplants
Personality changes have been reported following organ transplantation. Most commonly, such changes have been described among heart transplant recipients. We set out to examine whether personality changes occur following organ transplantation, and specifically, what types of changes occur among hear...
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The original was posted on /r/science by /u/mightx on 2024-05-15 12:23:41+00:00.
- Facebook users who deactivated their accounts for six weeks before the 2020 U.S. presidential election weeks may have been less likely to cast a vote for Trump and were also slightly less likely t...www.niemanlab.org People who got off Facebook for 6 pivotal weeks in 2020 may have been less likely to vote for Trump
"We do think our results can inform readers’ priors about the potential effects of social media in the final weeks of high-profile national elections."
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The original was posted on /r/science by /u/giuliomagnifico on 2024-05-15 12:34:22+00:00.
Original Title: Facebook users who deactivated their accounts for six weeks before the 2020 U.S. presidential election weeks may have been less likely to cast a vote for Trump and were also slightly less likely to believe in common misinformation
- New research reveals that repeated exposure not only makes people more likely to believe information is true but also falsely remember knowing it beforehand | The “truth effect’ demonstrates how r...
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The original was posted on /r/science by /u/chrisdh79 on 2024-05-15 12:04:43+00:00.
Original Title: New research reveals that repeated exposure not only makes people more likely to believe information is true but also falsely remember knowing it beforehand | The “truth effect’ demonstrates how repeated exposure can significantly influence our belief, regardless of its actual accuracy.
- Repeated exposure not only makes people more likely to believe information is true but also falsely remember knowing it beforehand. The “truth effect’ demonstrates how repeated exposure to a state...www.psypost.org Does repeated information trick us into thinking we knew it all along? New study has an answer
New research indicates that repeated exposure to information increases belief in its truth and creates false memories of prior knowledge. This "truth effect" is significant in the age of social media, leading to illusions of knowledge even when information is false.
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The original was posted on /r/science by /u/mvea on 2024-05-15 12:01:54+00:00.
Original Title: Repeated exposure not only makes people more likely to believe information is true but also falsely remember knowing it beforehand. The “truth effect’ demonstrates how repeated exposure to a statement can significantly influence our belief in its truthfulness, regardless of its actual accuracy.
- The vast majority of people have an ongoing conversation with themselves, an inner voice, that plays an important role in their daily lives. But between 5-10% of the population do not have an inne...humanities.ku.dk People without an inner voice have poorer verbal memory
The vast majority of people have an ongoing conversation with themselves, an inner voice, that plays an important role in their daily lives. But between 5-10 per cent of the population do not have the same experience of an inner voice, and they find it more difficult to perform certain verbal memory...
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The original was posted on /r/science by /u/mvea on 2024-05-15 10:17:06+00:00.
Original Title: The vast majority of people have an ongoing conversation with themselves, an inner voice, that plays an important role in their daily lives. But between 5-10% of the population do not have an inner voice, and they find it more difficult to perform certain verbal memory tasks, new research shows.
- One bad rumour can affect how children view each other, new study finds. Seven-year-olds trusted good gossip if it came from multiple sources but the bad only had to be heard once.www.theguardian.com One bad rumour can affect how children view each other, study finds
Seven-year-olds trusted good gossip if it came from multiple sources but the bad only had to be heard once
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The original was posted on /r/science by /u/mvea on 2024-05-15 10:08:08+00:00.
- Proteins in blood could provide early cancer warning ‘by more than seven years’ | Study identifies 618 proteins linked to 19 types of cancer, which could lead to much earlier detectionwww.theguardian.com Proteins in blood could provide early cancer warning ‘by more than seven years’
Study identifies 618 proteins linked to 19 types of cancer, which could lead to much earlier detection
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The original was posted on /r/science by /u/chrisdh79 on 2024-05-15 10:05:51+00:00.
- Scientists have discovered that individuals who are particularly good at learning patterns and sequences tend to struggle with tasks requiring active thinking and decision-making.www.psypost.org Scientists uncover a surprising conflict between important cognitive abilities
New research published in npj Science of Learning reveals a surprising competitive relationship between implicit statistical learning and executive functions, suggesting that excelling in one may diminish capabilities in the other.
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The original was posted on /r/science by /u/chrisdh79 on 2024-05-15 10:01:30+00:00.
- Mystery risk factor linked to high rates of kidney cancer, major DNA study finds. The study found a unique genetic mutation in more than 70% of certain kidney cancer patients in Japan, a higher pe...www.sanger.ac.uk Mystery risk factor linked to high rates of kidney cancer, major DNA study finds
Researchers analysing the DNA of people with kidney cancer worldwide have found evidence of an unknown trigger that could explain the longstanding mystery of why some countries* have a higher incidence of the disease.
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The original was posted on /r/science by /u/Wagamaga on 2024-05-15 08:19:07+00:00.
Original Title: Mystery risk factor linked to high rates of kidney cancer, major DNA study finds. The study found a unique genetic mutation in more than 70% of certain kidney cancer patients in Japan, a higher percentage than in other countries
- Researchers have found risks of developing disease heightened by ribosomal DNA levelsimb.uq.edu.au Risks of developing disease heightened by ribosomal DNA levels
Analysis of previously unstudied areas of the human genome suggests people with more copies of ribosomal DNA have higher risks of developing disease.
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The original was posted on /r/science by /u/IMBatUQ on 2024-05-14 23:58:47+00:00.
- Tiger beetles may defend themselves against bats by using ultrasoundwww.sciencenews.org Tiger beetles may weaponize ultrasound against bats
In response to recordings of echolocating bats, tiger beetles emit noises that mimic toxic moths that bats avoid.
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The original was posted on /r/science by /u/Science_News on 2024-05-14 23:10:59+00:00.
- Social media sites choose what users see, but many people would prefer to make their own choices. However, how to express what you want is not straightforward. A think-aloud study of users of Inst...
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The original was posted on /r/science by /u/asbruckman on 2024-05-14 13:31:38+00:00.
Original Title: Social media sites choose what users see, but many people would prefer to make their own choices. However, how to express what you want is not straightforward. A think-aloud study of users of Instagram, Mastodon, TikTok, and X derives design principles for how people want to teach their feeds
- Lactate rivals glucose as body's major fuel after a carbohydrate mealnews.berkeley.edu Far from toxic, lactate rivals glucose as body's major fuel after a carbohydrate meal
Research challenges perception by many athletes and physicians that high lactate levels are bad
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The original was posted on /r/science by /u/UCBerkeley on 2024-05-14 19:20:23+00:00.
- Young individuals consuming higher-potency cannabis, such as skunk, between ages 16 and 18, are twice as likely to have psychotic experiences from age 19 to 24 compared to those using lower-potenc...www.bath.ac.uk Children of the 90s Study: High-THC Cannabis Varieties Twice as Likely to Cause Psychotic Episodes
New study suggests high-potency cannabis use between 16-18 doubles the risk of psychotic experiences from 19-24, compared to lower-potency use in young adults
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The original was posted on /r/science by /u/Wagamaga on 2024-05-14 18:37:50+00:00.
Original Title: Young individuals consuming higher-potency cannabis, such as skunk, between ages 16 and 18, are twice as likely to have psychotic experiences from age 19 to 24 compared to those using lower-potency cannabis
- Yoga shows ‘most improvement’ in restoring brain health in long-term cancer survivors, Northeastern researcher saysnews.northeastern.edu Yoga shows ‘most improvement’ in restoring brain health in long-term cancer survivors, Northeastern researcher says
A study by associate professor Neha Gothe says cancer survivors get more cognitive benefits from yoga than other forms of exercise.
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The original was posted on /r/science by /u/NGNResearch on 2024-05-14 19:11:46+00:00.
- New study reveals that the inability to identify and describe one's own emotions (i.e., alexithymia) mediates the relationship between psychopathy and both empathy deficits and emotion dysregulati...journals.plos.org Understanding empathy deficits and emotion dysregulation in psychopathy: The mediating role of alexithymia
Psychopathy is a severe personality disorder marked by a wide range of emotional deficits, including a lack of empathy, emotion dysregulation, and alexithymia. Previous research has largely examined these emotional impairments in isolation, ignoring their influence on each other. Thus, we examined t...
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The original was posted on /r/science by /u/Judorchysi on 2024-05-14 18:51:11+00:00.
Original Title: New study reveals that the inability to identify and describe one's own emotions (i.e., alexithymia) mediates the relationship between psychopathy and both empathy deficits and emotion dysregulation. This suggests the potential benefit of addressing alexithymia in the treatment of psychopathy.
- Men with low testosterone levels may be at an increased risk of dying prematurely, according to a new study | Researchers found low total testosterone concentrations had higher risks of dying from...www.scimex.org Men with low testosterone levels may be at increased risk of dying prematurely
Men with low testosterone levels may be at increased risk of dying prematurely Men with low testosterone levels may be at an increased risk of dying prematurely, according to a study by Australian and international researchers. To investigate the relationship between testosterone and other s
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The original was posted on /r/science by /u/chrisdh79 on 2024-05-14 18:46:23+00:00.
Original Title: Men with low testosterone levels may be at an increased risk of dying prematurely, according to a new study | Researchers found low total testosterone concentrations had higher risks of dying from any cause, very low testosterone concentrations had a higher risk of dying due to heart problems.
- A new study found that parents display stronger neural responses when their own children, rather than unknown children, violate gender stereotypes. This effect is especially pronounced when the ge...www.psypost.org Brain imaging shows parents have heightened neural responses to sons' gender nonconformity
Recent research shows that parents exhibit stronger neural responses to their own children, especially sons, violating gender norms compared to unknown children. This heightened reactivity is more pronounced among parents with traditional views on gender roles.
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The original was posted on /r/science by /u/mvea on 2024-05-14 18:01:29+00:00.
Original Title: A new study found that parents display stronger neural responses when their own children, rather than unknown children, violate gender stereotypes. This effect is especially pronounced when the gender-nonconforming child is a boy, and among parents who view such violations as less appropriate.
- Up to an additional 246 million older adults around the world are projected to be exposed to dangerous acute heat by the year 2050, compared to current levels — with those living in Asia and Afric...www.cmcc.it Heat's toll on aging populations: Projections and policy implications
Over 200 million more elderly people worldwide are expected to face dangerous heat exposure by 2050, compared to now. The research results, published in Nature Communications by an international team of scientists, coordinated by CMCC and Ca' Foscari University of Venice, provide in-depth informatio...
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The original was posted on /r/science by /u/giuliomagnifico on 2024-05-14 17:41:28+00:00.
Original Title: Up to an additional 246 million older adults around the world are projected to be exposed to dangerous acute heat by the year 2050, compared to current levels — with those living in Asia and Africa experiencing the most severe effects
- Mislabelled shark meat rampant in Australian markets, study finds: Shark meat sold in Australia is frequently mislabelled and includes meat from threatened specieswww.eurekalert.org Mislabelled shark meat rampant in Australian markets, study finds
<p><em>Macquarie University researchers found widespread mislabelling of shark meat in Australia, including threatened species, highlighting a need for better enforcement to protect consumers and sharks.</em></p>
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The original was posted on /r/science by /u/FunnyGamer97 on 2024-05-14 17:19:42+00:00.
- Sex-related differences in brain structure: an AI tool, while processing MRI, found differences in the organization of the brains of men and women at a cellular level. These differences were obser...nyulangone.org Artificial Intelligence Tool Detects Sex-Related Differences in Brain Structure
NYU Langone researchers found sex-related variations in white matter brain tissue using an AI tool that processes thousands of MRI scans. Learn more.
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The original was posted on /r/science by /u/giuliomagnifico on 2024-05-14 16:17:37+00:00.
Original Title: Sex-related differences in brain structure: an AI tool, while processing MRI, found differences in the organization of the brains of men and women at a cellular level. These differences were observed in the white matter
- Researchers have found that 2023 was the hottest summer in the Northern Hemisphere in the past two thousand years, almost four degrees warmer than the coldest summer during the same period.www.cam.ac.uk 2023 was the hottest summer in two thousand years
Researchers have found that 2023 was the hottest summer in the Northern Hemisphere in the past two thousand years, almost four degrees warmer than the coldest
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The original was posted on /r/science by /u/Wagamaga on 2024-05-14 15:52:51+00:00.
- Last Summer Was the Hottest in More Than 2,000 Years
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The original was posted on /r/science by /u/YaleE360 on 2024-05-14 15:08:36+00:00.
- A new analysis scrutinized the findings of a widely-publicized study which had claimed significant female participation in hunting across diverse foraging societies. The reassessment found the ori...www.psypost.org Scientists say media storm around "Myth of Man the Hunter" study was unjustified and misleading
A new critique of a 2023 study disputes claims about widespread female hunting participation in foraging societies, highlighting methodological flaws and selection biases that likely led to overestimated involvement.
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The original was posted on /r/science by /u/mvea on 2024-05-14 14:03:21+00:00.
Original Title: A new analysis scrutinized the findings of a widely-publicized study which had claimed significant female participation in hunting across diverse foraging societies. The reassessment found the original study likely overstate women’s involvement in hunting due to methodological shortcomings.
- World’s oases threatened by desertification, even as humans expand them | Distribution and Growth Drivers of Oases at a Global Scalenews.agu.org World’s oases threatened by desertification, even as humans expand them
Desertification has led to the loss of about 52,000 square miles of oasis in recent decades, and more will likely disappear as water scarcity grows.
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The original was posted on /r/science by /u/Hrmbee on 2024-05-14 12:39:58+00:00.
- Atmospheric Carbon Dioxide Is Increasing 10 Times Faster Than at Any Point in the Last 50,000 Years | The findings, provide important new understanding of abrupt climate change periods in Earth’s ...www.technologynetworks.com Atmospheric Carbon Dioxide Is Increasing 10 Times Faster Than at Any Point in the Last 50,000 Years
Today’s rate of atmospheric carbon dioxide increase is 10 times faster than at any other point in the past 50,000 years, finds a detailed chemical analysis of Antarctic ice.
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The original was posted on /r/science by /u/chrisdh79 on 2024-05-14 12:50:40+00:00.
Original Title: Atmospheric Carbon Dioxide Is Increasing 10 Times Faster Than at Any Point in the Last 50,000 Years | The findings, provide important new understanding of abrupt climate change periods in Earth’s past and offer new insight into the potential impacts of climate change today.
- In a new study, researchers demonstrate a new anti-intoxicant gel for acute alcohol poisoning | In lab tests, the gel was administered to mice which saw blood alcohol levels drop by 40% as compare...newatlas.com Anti-intoxicant gel keeps alcohol out of the bloodstream
If you enjoy having a drink with friends every so often but don't want to get drunk, then a new gel may be just what you're looking for. The ingestible substance is said to help keep alcohol from entering the bloodstream, and from damaging the liver.
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The original was posted on /r/science by /u/chrisdh79 on 2024-05-14 12:37:32+00:00.
Original Title: In a new study, researchers demonstrate a new anti-intoxicant gel for acute alcohol poisoning | In lab tests, the gel was administered to mice which saw blood alcohol levels drop by 40% as compared to a control group that didn't receive the gel.
- New research suggests that boredom can lead to non-suicidal self-injury behaviors, even when positive alternatives are available. The study discovered that boredom increased the selection of unple...www.psypost.org New psychology research reveals a disturbing side effect of boredom
New research shows boredom prompts people to choose unpleasant stimuli, even when better options exist. This suggests boredom might lead to self-harm beyond restrictive settings previously thought to encourage such behaviors.
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The original was posted on /r/science by /u/mvea on 2024-05-14 12:00:41+00:00.
Original Title: New research suggests that boredom can lead to non-suicidal self-injury behaviors, even when positive alternatives are available. The study discovered that boredom increased the selection of unpleasant stimuli, such as unpleasant sounds, compared to scenarios that were neutral or induced anger.
- Study reveals soaring rates of adolescent daily e-cigarette use. Compared to nonusers, adolescents and young adults who use EVPs are more likely to switch to cigarette smoking, which, despite decl...www.eurekalert.org Alarming rise of electronic vaping use in U.S. adolescents
<p>A study among 57,006 adolescents shows daily electronic vapor use has significantly increased by more than three-and-one-half times from 2015 to 2019. In 2015, daily use was significantly higher in boys (2.8%) than girls (1.1%). By 2021, it was higher in girls (5.6%) than boys (4.5%). Electronic ...
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The original was posted on /r/science by /u/Wagamaga on 2024-05-14 08:45:45+00:00.
Original Title: Study reveals soaring rates of adolescent daily e-cigarette use. Compared to nonusers, adolescents and young adults who use EVPs are more likely to switch to cigarette smoking, which, despite declines in the U.S., remains the leading avoidable cause of premature death in the U.S. and worldwide
- Varying stitch length and knitting structure significantly impacts the comfort and breathability of occupational compression socks, with 1x3 rib and standard stitch length offering the best combin...
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The original was posted on /r/science by /u/CZU_Prague on 2024-05-14 07:06:10+00:00.
Original Title: Varying stitch length and knitting structure significantly impacts the comfort and breathability of occupational compression socks, with 1x3 rib and standard stitch length offering the best combination.
- A new study found significant associations between family income, asthma, and ADHD in children. The findings provide evidence for a causal pathway where lower family income not only directly leads...www.psypost.org ADHD, asthma, and economic hardship: New research suggests a causal pathway
Lower family income is associated with more severe ADHD symptoms in children, both directly and indirectly through the mediating effect of early childhood asthma, highlighting the complex interplay between socioeconomic status, physical health, and mental health.
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The original was posted on /r/science by /u/mvea on 2024-05-14 10:01:39+00:00.
Original Title: A new study found significant associations between family income, asthma, and ADHD in children. The findings provide evidence for a causal pathway where lower family income not only directly leads to more severe ADHD symptoms but also has an indirect effect through asthma in early childhood.
- Researchers show that the organic matter discovered on Mars may have formed as a result of atmospheric processes rather than having a biological origin
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The original was posted on /r/science by /u/GeoGeoGeoGeo on 2024-05-14 03:11:17+00:00.
- People don't always learn from failures. An individual's performance, as a function of failures, will initially increase, then taper off, and finally decrease. Such an inverted-U-shaped pattern co...
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The original was posted on /r/science by /u/Creative_soja on 2024-05-14 03:05:04+00:00.
Original Title: People don't always learn from failures. An individual's performance, as a function of failures, will initially increase, then taper off, and finally decrease. Such an inverted-U-shaped pattern contradicts existing theories on learning from failures.
- Papua New Guineans, genetically isolated for 50,000 years, carry Denisovan genes that help their immune system, study suggestswww.nature.com Positive selection in the genomes of two Papua New Guinean populations at distinct altitude levels - Nature Communications
This study explores selection signals of Papua New Guinean highlanders and lowlanders using 128 new whole genome sequences. It highlights two genetic variants associated with blood traits that also influence the heart rate of these populations.
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The original was posted on /r/science by /u/titanjungkim on 2024-05-14 00:48:19+00:00.
- 76% of people who committed serious violent offences and were found not guilty due to mental illness had visited at least one mental health service prior to the offence, analysis of 477 violent of...www.unsw.edu.au Most violent offenders with psychosis are known to mental health services: study
The majority of people with psychosis who commit violent offences are known to mental health services which struggle to meet the needs of this group.
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The original was posted on /r/science by /u/unsw on 2024-05-13 23:20:19+00:00.
Original Title: 76% of people who committed serious violent offences and were found not guilty due to mental illness had visited at least one mental health service prior to the offence, analysis of 477 violent offence cases shows
- New viruses on the horizon - like the SARS-CoV-2 - may trigger major epidemics. Scientists discovered 40 previously unknown nidoviruses in vertebrates from fish to rodents, including 13 coronaviru...www.dkfz.de New viruses on the horizon
Suddenly they appear and - like the SARS-CoV-2 coronavirus - can trigger major epidemics: Viruses that nobody had on their radar. They are not really new, but they have changed genetically. In particular, the exchange of genetic material between different virus species can lead to the sudden emergen...
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The original was posted on /r/science by /u/mvea on 2024-05-13 21:31:54+00:00.
Original Title: New viruses on the horizon - like the SARS-CoV-2 - may trigger major epidemics. Scientists discovered 40 previously unknown nidoviruses in vertebrates from fish to rodents, including 13 coronaviruses. In host animals infected with different viruses, a recombination of viral genes can occur.
- In a migratory stork, recent GPS tracking research suggests that younger birds follow the flock, whereas older birds use experience to guide them to a more direct path.
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The original was posted on /r/science by /u/amesydragon on 2024-05-13 19:16:51+00:00.
