Reddit Science

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The original was posted on /r/science by /u/chrisdh79 on 2024-10-21 12:40:18+00:00.

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The original was posted on /r/science by /u/chrisdh79 on 2024-10-21 11:46:59+00:00.

Original Title: Can’t Get Enough Carbs, That Craving Might Have Started More Than 800,000 Years Ago | New research traces the genetic underpinnings of the enzyme amylase, which helps humans digest starches and sugars

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The original was posted on /r/science by /u/chrisdh79 on 2024-10-21 11:44:52+00:00.

Original Title: Drying out and dying out: Up to 33% of frog habitats could become arid this century | Frog and toad habitats could become arid-like, putting further pressure on an already threatened class of animals, according to international researchers.

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The original was posted on /r/science by /u/Wagamaga on 2024-10-21 10:19:31+00:00.

Original Title: Individuals with high anxiety, who are at greater risk for PTSD, may struggle with memory integration. Their brains show weaker integration of time-based episodic memories through the dorsolateral prefrontal cortex, which may lead to persistent, overwhelming fear linked to associative cues

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The original was posted on /r/science by /u/a_Ninja_b0y on 2024-10-21 08:08:35+00:00.

Original Title: Superhero films can encourage prosocial behavior, new study finds | By showing a specific scene from the 2016 film Batman v Superman, the researchers found that viewers who identified with Batman or believed his actions were morally justified were more likely to help others in a subsequent task.

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The original was posted on /r/science by /u/mvea on 2024-10-21 10:02:20+00:00.

Original Title: Elon Musk’s Twitter takeover triggered academic exodus, study suggests. The researchers found that academics were less active on Twitter after Musk took over in October 2022, with a notable decrease in the number of tweets, including original posts, replies, retweets, and quote tweets.

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The original was posted on /r/science by /u/sciencealert on 2024-10-21 06:37:29+00:00.

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The original was posted on /r/science by /u/sciencealert on 2024-10-21 06:03:13+00:00.

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The original was posted on /r/science by /u/mvea on 2024-10-21 02:53:59+00:00.

Original Title: Political collective narcissism, characterized by an inflated sense of superiority about one’s own political group, fosters blatant dehumanization, leading individuals to view opponents as less than human and to strip away empathy, finds a new study from US and Poland.

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The original was posted on /r/science by /u/giuliomagnifico on 2024-10-20 16:04:12+00:00.

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The original was posted on /r/science by /u/mvea on 2024-10-20 17:52:03+00:00.

Original Title: Usually, US political tensions intensify as elections approach but return to pre-election levels once they pass. This did not happen after the 2022 elections. This held true for both sides of the political spectrum. The study highlights persistence of polarization in current American politics.

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The original was posted on /r/science by /u/TheArcticBeyond on 2024-10-20 17:08:33+00:00.

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The original was posted on /r/science by /u/theanti_influencer75 on 2024-10-20 17:06:10+00:00.

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The original was posted on /r/science by /u/giuliomagnifico on 2024-10-20 15:03:58+00:00.

Original Title: Researchers found that when older adults (65-85 years) train to maintain or improve certain mental skills, like memory and attention, it can also lead to improvements in other cognitive abilities that weren't specifically targeted

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The original was posted on /r/science by /u/lunchboxultimate01 on 2024-10-20 14:15:29+00:00.

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The original was posted on /r/science by /u/mvea on 2024-10-20 10:03:16+00:00.

Original Title: People with higher levels of neuroticism were at greater risk of dying from a range of causes, finds new study which used data from nearly half a million people. Loneliness stood out as the most strongly associated with an increased risk of early death.

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The original was posted on /r/science by /u/mvea on 2024-10-20 05:26:43+00:00.

Original Title: Exposure to most common US pesticides, neonicotinoids, may affect developing brains similarly to nicotine, including shrinking brain tissue, neuron loss, ADHD, slower auditory reflexes, reduced motor skills, behavioral problems and delayed sexual maturation in males, finds review of rodent studies.

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The original was posted on /r/science by /u/mvea on 2024-10-20 03:13:36+00:00.

Original Title: The origins of why we love carbs predate agriculture and maybe even our split from Neanderthals. New study finds the gene for starch-digesting saliva may have first duplicated more than 800,000 years ago, seeding the genetic variation that shapes our modern diet.

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The original was posted on /r/science by /u/mvea on 2024-10-19 19:01:58+00:00.

Original Title: Struggles with masculinity drive men into incel communities. Incels, or “involuntary celibates,” are men who feel denied relationships and sex due to an unjust social system, sometimes adopting misogynistic beliefs and even committing acts of violence.

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The original was posted on /r/science by /u/theanti_influencer75 on 2024-10-19 17:33:35+00:00.

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The original was posted on /r/science by /u/mvea on 2024-10-19 10:08:09+00:00.

Original Title: A new replication study revisits the claim that women governors during COVID-19 achieved better outcomes, including fewer deaths. The study shows that earlier findings are highly sensitive to specific assumptions, and once adjusted, gender has no significant impact on COVID-19 deaths.

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The original was posted on /r/science by /u/FunnyGamer97 on 2024-10-19 15:49:46+00:00.

Original Title: New photonic computing method uses electromagnetic waves to solve partial differential equations rapidly: Researchers develop a network of interconnected waveguides filled with dielectric inserts, which mimics the behavior of traditional circuit elements.

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The original was posted on /r/science by /u/giuliomagnifico on 2024-10-19 15:10:33+00:00.

Original Title: A study found a strong link between using handheld cellphones and risky driving behaviors among newly licensed teen drivers. Over one-third of their trips involved handheld cellphone use, and speeding occurred in more than 40% of the trips

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The original was posted on /r/science by /u/giuliomagnifico on 2024-10-19 13:22:35+00:00.

Original Title: Researchers identified two neuron types that trigger REM sleep, forming circuits that connect to brain regions controlling cerebral cortex activation, rapid eye movement, and muscle tone loss. Artificially activating this circuit strongly induces REM sleep, even in awake mice

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The original was posted on /r/science by /u/a_Ninja_b0y on 2024-10-19 09:24:01+00:00.