Reddit Science

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The original was posted on /r/science by /u/unsw on 2025-09-05 06:42:47+00:00.

Original Title: When melanoma cancer cells are forced through channels narrower than 10 micrometres, they begin to behave more like stem cells, gaining traits that could help them survive, spread, and form new tumours

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The original was posted on /r/science by /u/calliope_kekule on 2025-09-05 04:50:40+00:00.

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The original was posted on /r/science by /u/False_Feature_8497 on 2025-09-05 04:04:18+00:00.

Original Title: Dengue disease severity in humans is augmented by waning Japanese encephalitis virus immunity. Research suggests that declining immunity from prior exposure may contribute to more severe dengue outcomes.

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The original was posted on /r/science by /u/ERUDIGIT on 2025-09-04 16:03:59+00:00.

Original Title: New Dutch study finds expectations regarding direct-to-consumer genetic testing (DTC-GT) among Dutch citizens to be significant, with several recurring misconceptions such as ability to detect disease and usability of results for medical- and/or reproductive decision-making

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The original was posted on /r/science by /u/mvea on 2025-09-04 22:47:08+00:00.

Original Title: Researchers transformed real sperm cells into tiny, magnetically controlled microrobots. Once inside, they can potentially deliver drugs to hard-to-reach places. The medication is loaded directly into the sperm cell bodies, turning nature’s own cell delivery systems into programmable microrobots.

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The original was posted on /r/science by /u/CityToCityPlus on 2025-09-04 17:49:51+00:00.

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The original was posted on /r/science by /u/mvea on 2025-09-04 21:11:03+00:00.

Original Title: Students with overprotective parents are more vulnerable to anxiety during their transition to university - First-year undergraduates who grew up with overly cautious or controlling parents tend to experience increased anxiety when faced with stresses associated with the transition to university.

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The original was posted on /r/science by /u/nohup_me on 2025-09-04 19:29:10+00:00.

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The original was posted on /r/science by /u/Pomme-M on 2025-09-04 18:16:20+00:00.

Original Title: Johns Hopkins finds possible link between air pollution (such as wildfires, vehicular exhaust) and the creation of the abnormal buildup of a protein, alpha-synuclein, in the brain. These clumps, known as Lewy bodies, are a hallmark of the conditions Parkinson’s disease and Lewy body dementia.

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The original was posted on /r/science by /u/fchung on 2025-09-04 17:46:41+00:00.

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The original was posted on /r/science by /u/memorialmonorail on 2025-09-04 17:32:21+00:00.

Original Title: Adding an electrical jolt to fermentation of industrial food waste speeds up the process and increases the yield of platform chemicals, a new study shows. Researchers also found combining 2 bacterial species in the electro-fermentation mix allowed for more targeted chemical production.

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The original was posted on /r/science by /u/CUAnschutzMed on 2025-09-04 16:20:43+00:00.

Original Title: Intense light therapy after surgery can increase a critical protein that protects heart tissue while lowering levels of troponin, a protein indicating heart damage that’s linked to higher mortality in patients undergoing non-cardiac surgery, according to a new study

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The original was posted on /r/science by /u/New_Scientist_Mag on 2025-09-04 16:14:31+00:00.

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The original was posted on /r/science by /u/ExpectedSurprisal on 2025-09-04 15:57:47+00:00.

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The original was posted on /r/science by /u/chrisdh79 on 2025-09-04 14:25:46+00:00.

Original Title: Depressive individuals show decreased cognitive functioning | However, participants who were physically active, maintained an optimal sleep duration, and reported an overall healthy lifestyle showed better cognitive performance—regardless of whether they experienced depressive symptoms.

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The original was posted on /r/science by /u/IEEESpectrum on 2025-09-04 14:06:33+00:00.

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The original was posted on /r/science by /u/chrisdh79 on 2025-09-04 13:23:10+00:00.

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The original was posted on /r/science by /u/universityofga on 2025-09-04 12:29:44+00:00.

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The original was posted on /r/science by /u/mvea on 2025-09-04 12:02:59+00:00.

Original Title: Cannabis use linked to stronger emotional responses but also better recovery in people with anxiety. Cannabis users with anxiety show more pronounced emotional responses to negative experiences but also bounce back more effectively.

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The original was posted on /r/science by /u/Lord-Julius on 2025-09-04 08:11:08+00:00.

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The original was posted on /r/science by /u/Skoltech_ on 2025-09-04 07:01:15+00:00.

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The original was posted on /r/science by /u/mvea on 2025-09-04 09:20:43+00:00.

Original Title: Smartphone scrolling on toilet linked to higher hemorrhoid risk, raising risk of hemorrhoids by nearly 50%, from extra minutes spent sitting. 66% reported using phone on toilet. 37% stayed on toilet for more than 5 minutes. Most common reasons were to read news (54%) and use social media (44%).

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The original was posted on /r/science by /u/calliope_kekule on 2025-09-04 04:50:48+00:00.

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The original was posted on /r/science by /u/Unlikely_Passion9168 on 2025-09-04 02:57:45+00:00.

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The original was posted on /r/science by /u/False_Feature_8497 on 2025-09-04 02:30:25+00:00.

Original Title: Individuals Experiencing Accelerated Biological Aging Are at an Increased Risk of Developing Dementia: Insights Into the Interplay Between Cellular Senescence, Cognitive Decline, and Age-Related Neurodegenerative Processes