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Posts
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Fairness is what the powerful ‘can get away with’ study shows: The willingness of those in power to act fairly depends on how easily others can collectively push back against unfair treatment -
Solo drinking surge among young adults, especially women: A red flag for public healthThis post did not contain any content. -
Nearly 80% of whale sharks in this marine tourism hotspot have human-caused scarsThis post did not contain any content. -
Study finds that fast walking can reduce lung cancer risk by 50%: A simple health indicator for cancer preventionThis post did not contain any content. -
Is the air you breathe silently fueling dementia? A 29-million-person study says yesThis post did not contain any content.
Long-term exposure to outdoor air pollution linked to increased risk of dementia
Dementias such as Alzheimer's disease are estimated to affect more than 57.4 million people worldwide, a number that is expected to almost triple to 152.8
University of Cambridge (www.cam.ac.uk)
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In the wild, chimps likely ingest the equivalent of several alcoholic drinks every dayThis post did not contain any content. -
The hidden mental health danger in today’s high-THC cannabisThis post did not contain any content. -
4,000-year-old teeth record the earliest traces of people chewing psychoactive betel nutsThis post did not contain any content. -
Distorted sound of the early universe suggests we are living in a giant voidThis post did not contain any content. -
Research shows ‘compliment sandwich’ no longer effectiveThis post did not contain any content. -
Messenger signals that cue plants to ‘eat’ and ‘breathe’ revealed for first timeThis post did not contain any content. -
Scientists just made the first time crystal you can seeThis post did not contain any content.
Physicists have created a new 'time crystal'—it won't power a time machine but could have many other uses
A team at CU Boulder has made a curious state of matter in which particles move constantly—like a clock with hands and gears that spin forever, even without electricity to keep them going.
CU Boulder Today (www.colorado.edu)
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Organs Cannot Simply Be Classified as Male or FemaleThis post did not contain any content.
Organs cannot simply be classified as male or female
Human organs form a mosaic of sex-specific characteristics
(www.mpg.de)
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Repetitive negative thinking is associated with cognitive function decline in older adults: a cross-sectional studyThis post did not contain any content.Repetitive negative thinking is associated with cognitive function decline in older adults: a cross-sectional study - BMC Psychiatry
Psychological problems such as depression and anxiety increase the risk of cognitive impairment in older adults. But mechanisms on the effect of psychological disorder on cognitive function is inconclusive. Repetitive negative thinking (RNT) is a core symptom of a number of common psychological disorders and may be a modifiable process shared by many psychological risk factors that contribute to the development of cognitive impairment. RNT may increase the risk of cognitive impairment. However, there are fewer studies related to RNT and cognitive function, and there is a lack of epidemiological studies to explore the relationship between RNT and cognitive function. A cross-sectional study of 424 older adults aged 60 years or over was performed form May to November 2023 in hospital. To investigate the RNT level by using the Perseverative Thinking Questionnaire (PTQ), and investigate the cognitive function level by using the Montreal Cognitive Assessment Scale (MoCA). Multivariable linear regression and subgroup analyses were used to explore the relationship between RNT and cognitive function. We categorized the total RNT scores into quartiles. The multivariable linear regression analysis showed that after adjusting for all covariates, the participants in the Q3 and Q4 groups exhibited lower cognition scores (Q3:β = -0.180, 95%CI -2.849~-0.860; Q4:β = -0.164, 95% -2.611~-0.666) compared to the Q1 group. The results of the subgroup analyses showed that individuals aged 60 ~ 79 years, junior high school and above are more prone to suffer from cognitive impairment with a high RNT score. The study reveals a negative association between RNT and cognitive function in community-dwelling older adults. However, multi-center and a longer time span cohort studies on the relationship between RNT and cognitive function should be carried out to further explore the mechanisms involved.
BioMed Central (bmcpsychiatry.biomedcentral.com)
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Beer drinkers are mosquito magnets, according to a festival studyThis post did not contain any content. -
The entities enabling scientific fraud at scale are large, resilient, and growing rapidlyThis post did not contain any content. -
‘Built for cutting flesh, not resisting acidity’: sharks may be losing deadly teeth to ocean acidificationA leading cause of a rising pH value in the world’s oceans is human CO2 emission. As more CO2 is released into the atmosphere and absorbed by the oceans, the water becomes more acidic. This poses problems for many organisms – including sharks, a new study showed. Scientists incubated shark teeth in water with pH levels that reflect the current ocean pH, and in water with a pH value that oceans are predicted to reach by 2300. In the more acidic water of the simulated scenario, shark teeth, including roots and crowns, were significantly more damaged. This shows how global changes reach all the way to the microstructure of sharks’ teeth, the researchers said.
‘Built for cutting flesh, not resisting acidity’: sharks may be losing deadly teeth to ocean acidification
Scientists found that some of the oceans’ fiercest hunters could be losing their bite: As oceans become more acidic, sharks’ teeth may become structurally weake
‘Built for cutting flesh, not resisting acidity’: sharks may be losing deadly teeth to ocean acidification (frontiersin.org)
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Scientists grow a mini human brain that lights up and connects like the real thingThis post did not contain any content.
Johns Hopkins scientists grow novel 'whole-brain' organoid
Advance could usher in new era of research for schizophrenia, autism, Alzheimer's, and other neurological diseases
The Hub (hub.jhu.edu)
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Muscles made from cow cells could make lab-grown burgers betterThis post did not contain any content.
On track to produce better lab-grown burgers
The cultivation of thick muscle fibres from bovine cells in the lab has long been a challenge for scientists. Researchers from ETH Zurich have now successfully tackled this issue – with the goal of one day producing edible meat.
ETH Zurich (ethz.ch)
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Researchers have discovered a fundamental stabilizing effect of all small molecules, creating exciting possibilities for controlling particles in solution.This post did not contain any content.
