Reddit Science

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The original was posted on /r/science by /u/HeinieKaboobler on 2025-07-22 14:51:29+00:00.

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The original was posted on /r/science by /u/mvea on 2025-07-22 14:03:21+00:00.

Original Title: Very high levels of forever chemicals found in eco-friendly menstrual products. Extremely high levels of toxic chemicals called PFAS (perfluoroalkyl and polyfluoroalkyl substances) have been found in a small sampling of reusable menstrual pads and panties, according to a new study.

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The original was posted on /r/science by /u/PHealthy on 2025-07-22 13:59:41+00:00.

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The original was posted on /r/science by /u/mvea on 2025-07-22 12:13:24+00:00.

Original Title: Scientists identified cancer drugs that promise to reverse changes in the Alzheimer’s brain, potentially slowing or even reversing symptoms. When they tested the combination in a mouse model of Alzheimer’s, it reduced brain degeneration in the mice, and even restored their ability to remember.

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The original was posted on /r/science by /u/mvea on 2025-07-22 11:58:38+00:00.

Original Title: On stopping weight loss drugs, many patients find they regain weight. All the drugs, including Ozempic and Wegovy, were linked with significant weight loss while in use, but weight regain started 8 weeks after discontinuation and continued for an average of 20 weeks before plateauing.

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The original was posted on /r/science by /u/chrisdh79 on 2025-07-22 11:01:15+00:00.

Original Title: Optimists Are Alike, but Pessimists Are Unique, Brain Scan Study Suggests | Optimists have similar patterns of brain activation when they think about the future—but pessimists are all different from one another, a brain scan study suggests

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The original was posted on /r/science by /u/Wagamaga on 2025-07-22 09:19:14+00:00.

Original Title: Political polarization is rising and mirrors patterns seen in mental health distortions. Analyzing tweets from the 2016 and 2020 elections, research found a sharp increase in distortion-like language, linking extreme political views to cognitive distortions.

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The original was posted on /r/science by /u/mustaphah on 2025-07-22 08:38:06+00:00.

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The original was posted on /r/science by /u/calliope_kekule on 2025-07-22 05:56:40+00:00.

Original Title: A global study of 1,300+ songbird species finds female birds are more likely to sing when they share territory and parenting year-round. Where life is stable and teamwork matters, female voices are loud and clear.

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The original was posted on /r/science by /u/unsw on 2025-07-22 05:01:13+00:00.

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The original was posted on /r/science by /u/sciencealert on 2025-07-22 02:19:14+00:00.

Original Title: Surgeons at Duke University have resuscitated a 'dead' heart on the operating table after it stopped beating for more than five minutes. The organ was later transplanted into the chest of a three-month-old child, saving their life.

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The original was posted on /r/science by /u/Creative_soja on 2025-07-22 00:51:33+00:00.

Original Title: Area affected by forest fires for 2023 and 2024 was highest since 2001, with the area affected for 2023–2024 being 2.2 times higher globally and 3 times higher in the tropics. The unprecedented scale of fires in the world’s most remote forests signals potential ecosystem tipping points.

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The original was posted on /r/science by /u/drewiepoodle on 2025-07-22 00:03:40+00:00.

Original Title: Study finds fanfiction community craves familiarity more than novelty, but also reports that they find greater enjoyment from novelty. Future work may identify ways to establish link between novelty and success of cultural products, or to quantitatively estimate the novelty of such products.

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The original was posted on /r/science by /u/-Mystica- on 2025-07-21 21:28:43+00:00.

Original Title: Despite deforestation decline, Amazon forest degradation surged by 163% from 2022 to 2024, mainly due to fires — raising concerns over Brazil’s negative environmental balance and potential failure to meet international climate and biodiversity commitments.

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The original was posted on /r/science by /u/SlurmsMckenzie0 on 2025-07-21 21:50:31+00:00.

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The original was posted on /r/science by /u/mvea on 2025-07-21 21:16:14+00:00.

Original Title: Some autistic teens often adopt behaviors to mask their diagnosis in social settings helping them be perceived — or “pass” — as non-autistic. Teens who mask autism show faster facial recognition and muted emotional response. 44% of autistic teens in the study passed as non-autistic in classrooms.

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The original was posted on /r/science by /u/-Mystica- on 2025-07-21 21:00:11+00:00.

Original Title: Genetic test predicts obesity in childhood. A new genetic test, based on data from more than five million people, can identify people at risk of severe obesity. The test can be performed on children before their genetic risk starts to shape their weight, which may support early prevention.

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The original was posted on /r/science by /u/NGNResearch on 2025-07-21 19:55:24+00:00.

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The original was posted on /r/science by /u/Wagamaga on 2025-07-21 18:56:30+00:00.

Original Title: 80,000-Year-Old Neanderthal Footprints on the Portuguese Coast Reveal Children Hunting in the Dunes. The presence of children’s footprints alongside those of adults indicates that younger members accompanied the adults in their daily activities

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The original was posted on /r/science by /u/PrincetonEngineers on 2025-07-21 17:49:19+00:00.

Original Title: New programming tool neutralizes a class of errors commonly found in C programs, safeguarding legacy code from buffer overflow attacks while developers migrate systems to modern languages like Rust [19th USENIX Symposium on Operating Systems Design and Implementation]

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The original was posted on /r/science by /u/chrisdh79 on 2025-07-21 18:02:28+00:00.

Original Title: People tend to say that they prioritize social warmth and vitality over physical beauty when evaluating others in both personal and professional contexts | But these self-reported ideals might not fully match how decisions actually play out in the real world.

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The original was posted on /r/science by /u/spontaneous_igloo on 2025-07-21 17:57:11+00:00.

Original Title: Widespread misidentification of scanning electron microscope instruments in the peer-reviewed materials science and engineering literature | Thousands of materials science papers misidentify the scanning electron microscope used among other issues, hinting at the involvement of research paper mills.

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The original was posted on /r/science by /u/Science_News on 2025-07-21 17:05:04+00:00.

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The original was posted on /r/science by /u/Oncotarget on 2025-07-21 16:37:52+00:00.

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The original was posted on /r/science by /u/FocusingEndeavor on 2025-07-21 15:16:47+00:00.