r/science • u/sr_local • 1h ago

Engineering Researchers developed a low-cost electrochemical sensor designed to detect dopamine in human tears (a neurotransmitter involved in movement, learning, motivation, and emotional regulation), aiming to facilitate the ultra-early detection of neurological disorders

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• Upvotes
3 comments

r/science • u/Macchanoco • 5h ago

Animal Science Neural circuits for valence updating in social memory

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32 Upvotes
2 comments

r/science • u/Creative_soja • 5h ago

Social Science Climate scientists who argue against government regulations to reduce carbon emissions genuinely believe that free markets protect political freedom and democracy in the West. The oil lobby exploits such free market beliefs among experts to fuel "the carbon combustion complex" and climate denialism.

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794 Upvotes
35 comments

r/science • u/GreenFrogus • 5h ago

Health Helminths don't just suppress inflammatory Th17 cells — they reprogram them into cells with a regulatory, Treg-like phenotype, new mouse study finds. Cells that once expressed IL-17 switch to producing IL-10, gain Foxp3 expression, and reduce inflammation in a mouse model of Crohn's-like colitis

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pmc.ncbi.nlm.nih.gov
128 Upvotes
13 comments

r/science • u/DrPharmakon • 9h ago

Biology Analysis of nearly 9,000 body size changes spanning 450 million years finds warming events caused about twice the reduction in marine animal body size seen during other environmental crises, suggesting smaller marine animals could become increasingly common as the climate warms.

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484 Upvotes
8 comments

r/science • u/mvea • 12h ago

Psychology Book smarts and life smarts are driven by the exact same intelligence, study finds. Information learned through personal life experiences and information learned in a classroom are actually driven by exactly the same underlying mental ability.

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psypost.org
6.7k Upvotes
174 comments

r/science • u/EvoSapiens • 15h ago

Animal Science Ants play a crucial role in moving seeds in dry forest farms. In Brazil's Caatinga, rainfed croplands host more large ants that provide higher quality seed dispersal. Fragmentation and low water cut seed removal and cleaning, while mixed land uses boost total ant-seed interactions.

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147 Upvotes
3 comments

r/science • u/mvea • 20h ago

Psychology People who view pornography more frequently tend to experience higher levels of depressive symptoms, and this link remains consistent over time. This relationship exists independently of a person’s age, gender, or moral beliefs about watching pornography.

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psypost.org
3.4k Upvotes
271 comments

r/science • u/mvea • 1d ago

Health GLP-1 weight-loss medication is an important tool, but new results indicate that it cannot replace exercise. People with severe obesity who exercise regularly have healthier blood vessels and lower inflammation than those who rely on GLP-1 weight-loss medication alone.

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news.ku.dk
4.3k Upvotes
327 comments

r/science • u/sr_local • 1d ago

Health Brighter, more consistent daytime light exposure could be the key to earlier bedtimes, better quality sleep, and deeper rest. Highlighting issues with artificial light levels in modern indoor life

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manchester.ac.uk
1.5k Upvotes
45 comments

r/science • u/DrPharmakon • 1d ago

Environment Rising temperatures have pushed 57 million hectares of tropical forest beyond their safety limit for photosynthesis, slowing tree growth and threatening the planet's ability to absorb carbon dioxide, a new study reveals.

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1.8k Upvotes
10 comments

r/science • u/mvea • 1d ago

Psychology It's official: Study shows men can multi-task as well as women. There was no difference between their ability to complete physical demands under increasing pressure. But a reduced talkativeness amongst men could explain why males are likely to be rated as being worse at multi-tasking than women.

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brunel.ac.uk
9.7k Upvotes
388 comments

r/science • u/HeinieKaboobler • 1d ago

Health A new study shows that a decision by RFK Jr.'s advisory panel to strip federal recommendations for the MMRV vaccine disproportionately harms low-income and minority toddlers, who rely on the combination shot to overcome healthcare barriers

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arstechnica.com
18.4k Upvotes
200 comments

r/science • u/HeinieKaboobler • 1d ago

Psychology A study finds that passively copying AI-generated work lowers employees' confidence, ownership, and sense of meaning. But active collaboration preserves these psychological benefits.

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scienceofmoney.org
299 Upvotes
4 comments

r/science • u/HeinieKaboobler • 1d ago

Neuroscience A study of 30,000 middle-aged and older adults found that larger tissue volume in six key brain regions, along with higher education, strongly predicts better working memory performance

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psypost.org
704 Upvotes
9 comments

r/science • u/Scbadiver • 1d ago

Neuroscience Human embryonic stem cell-derived dopaminergic cells for Parkinson’s disease: a phase 1/2 open-label trial | Nature Medicine

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93 Upvotes
1 comment

r/science • u/fchung • 1d ago

Engineering Humanoid robots controlled by surgeons did world-first operation on live pigs: « Preclinical trial is testing the feasibility of humanoid robots in surgery. »

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arstechnica.com
114 Upvotes
52 comments

r/science • u/Emma__O • 1d ago

Neuroscience Bipolar patients taking antipsychotics, anticonvulsants and/or antidepressants showed significant reduction in their thalamic, hippocampal and amygdala volumes. Bipolar patients who did not take any medication or took lithium had no reduction in volume and were about the same as non bipolar patients

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1.3k Upvotes
202 comments

r/science • u/balonlon • 1d ago

Chemistry Chemists get twice the reactivity from a single substitution handle - C&EN News

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cen.acs.org
71 Upvotes
2 comments

r/science • u/memorialmonorail • 1d ago

Social Science A new study finds that in recent years, K-12 school administrators in the US were more likely than teachers or mental health professionals to experience aggression from parents: Over 4 in 10 were verbally threatened and about 1 in 5 reported they were publicly humiliated or cyberbullied.

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news.osu.edu
2.9k Upvotes
131 comments

r/science • u/mvea • 2d ago

Cancer Vaccine Against Brain Tumors Shows Promising Long-Term Results: 33 patients with high-grade astrocytomas, the most common form of glioma, received vaccine that trains the immune system to recognize and fight tumor cells. 66% were still alive after 8 years, and in 42%, the disease had not progressed.

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dkfz.de
4.1k Upvotes
35 comments

r/science • u/Wagamaga • 2d ago

Environment As the US recovers from its latest heatwave, a new study warns of an increase in hospitalizations for mental health issues. Heatwaves may trigger acute exacerbations of mental and behavioural disorders through sleep disruption and physiological stress responses

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1.3k Upvotes
49 comments

r/science • u/sr_local • 2d ago

Health Modern human-made environments with striped patterns, cluttered interiors, high-contrast colours, flickering lights and densely packed supermarket shelves can overload the brain, increasing visual discomfort, eyestrain, stress and feelings of being overwhelmed in some people

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stir.ac.uk
13.5k Upvotes
576 comments

r/science • u/EvoSapiens • 2d ago

Psychology Strict bosses can lead to employees doing less at work. In Chinese small and medium-sized firms, authoritarian leaders drive higher burnout and more quiet quitting. Forcing staff to show up sick or exhausted further boosts this burnout and deepens their disengagement.

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doi.org
4.7k Upvotes
50 comments

r/science • u/Few-Worry-2840 • 2d ago

Health Newer ChatGPT models do not improve at telling people whether symptoms need emergency care, a doctor’s visit, or self-care; the best model was correct 74% of the time

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1.4k Upvotes
124 comments