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Shin Asayama

@shinasayama.bsky.social
523 followers 236 following 135 posts

I'm not a geographer but I'd like to think like geographers | Ambivalence & ambiguity is my intellectual gravity | Doing #climate social science at NIES, Japan | Views my own | researchmap.jp/shinichiro.asayama/?…

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Shin Asayama @shinasayama.bsky.social · 01/07/2026
"These findings reveal an overlooked gender dynamic: While men and women achieve similar economic results, women foster stronger interpersonal relationships, which in turn lead to greater satisfaction and greater desire for future negotiations with women." www.pnas.org/doi/10.1073/...
pnas.org
People prefer to negotiate with women, even when outcomes are identical and gender is unknown | PNAS
While gender and economic outcomes in negotiation have been studied for decades, much less is known about gender differences in subjective outcomes...
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Shin Asayama @shinasayama.bsky.social · 29/06/2026
How the World Cup is showing a different side of the US youtube.com/shorts/IHUDK...
youtube.com
How the World Cup is showing a different side of the US | FT #shorts
YouTube video by Financial Times
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Shin Asayama @shinasayama.bsky.social · 19/06/2026
These scientists are trying to refreeze the Arctic youtube.com/shorts/20Euf...
youtube.com
These scientists are trying to refreeze the Arctic
YouTube video by The Guardian
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Shin Asayama @shinasayama.bsky.social · 17/06/2026
Why is this one spot not warming? youtu.be/dqLM65HfVEw?...
youtu.be
Why is this one spot not warming?
YouTube video by Howtown
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Shin Asayama @shinasayama.bsky.social · 28/05/2026
"The impacts of war on critical infrastructure ... are not new ... As military strikes on basic energy and water infrastructure mount and become increasingly normalized, the distinction between the ‘environmental’ and ‘civilian’ casualties of war collapses." www.nature.com/articles/s41...
nature.com
The long environmental shadow of war - Nature Sustainability
Fuel and water infrastructure are increasingly becoming the targets of military conflicts. These attacks pose not only a direct threat to civilian health and safety, but an ongoing threat to the envir...
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Shin Asayama @shinasayama.bsky.social · 28/05/2026
"Headline measures of diversity have improved, yet the aspirational body is essentially unchanged. Broader casting has emerged, but remains confined to outliers ... Models cast in these roles are also disproportionately non-White, revealing a symbolic diversification..." www.pnas.org/doi/10.1073/...
pnas.org
Cultural evolution of beauty standards | PNAS
Beauty standards shape self-perception and health through social comparison and objectification, while exposure to idealized imagery exacerbates bo...
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Shin Asayama @shinasayama.bsky.social · 20/04/2026
"An HI [historical institutionalism] analysis of Tokyo illustrates how path dependence and contingent decisions preserve and reinforce a globally rare institution that encourages private rail transit entities to profit from non-transport businesses." journals.sagepub.com/doi/10.1177/...
journals.sagepub.com
Sage Journals: Discover world-class research
Subscription and open access journals from Sage, the world's leading independent academic publisher.
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Shin Asayama @shinasayama.bsky.social · 20/04/2026
"[I]ce thickening “as a stopgap measure” in a few small, confined areas, such as the lagoon and bay where the technique was tested. ... Even if massive pumping operations were deployed across the Arctic, ... it would be like “using a teaspoon to hold the ocean back.”" www.science.org/content/arti...
science.org
Artificially engineered sea ice grows—but can’t withstand the thaw
First Arctic trials show pumped seawater can bulk up ice, but results aren’t lasting—and may not scale
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Shin Asayama @shinasayama.bsky.social · 20/04/2026
"The global science system is highly immobile: Half of global top performers continue their careers as top performers and one-third of global bottom performers as bottom performers. Jumpers-Up and Droppers-Down are extremely rare in science." direct.mit.edu/qss/article/...
direct.mit.edu
Quantifying lifetime productivity changes: A longitudinal study of 320,000 late-career scientists
Abstract. The present study focuses on persistence in research productivity over the course of an individual’s entire scientific career. We track “late-career” scientists—scientists with at least 25 y...
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Shin Asayama @shinasayama.bsky.social · 14/04/2026
"AI-generated references commonly combine fragments of genuine publications ... calls such references ‘Frankenstein’ citations, likening their assembly to that of the fictional monster. “It looks real to a human being, but is not actually a reference to a real thing”" www.nature.com/articles/d41...
nature.com
Hallucinated citations are polluting the scientific literature. What can be done?
Tens of thousands of publications from 2025 might include invalid references generated by AI, a Nature analysis suggests.
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Shin Asayama @shinasayama.bsky.social · 06/04/2026
"By consequence, adoption of AI in science presents what seems to be a paradox: an expansion of individual scientists’ impact but a contraction in collective science’s reach, as AI-augmented work moves collectively towards areas richest in data." www.nature.com/articles/s41...
nature.com
Artificial intelligence tools expand scientists’ impact but contract science’s focus - Nature
Artificial intelligence boosts individual scientists’ output, citations and career progression, but collectively narrows research diversity and reduces collaboration, concentrating work in data-rich a...
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Shin Asayama @shinasayama.bsky.social · 06/04/2026
"We compare LLM-generated moral value estimates to real-world survey data from 48 countries and find consistent biases: LLMs overemphasize moral concerns common in Western societies and underestimate values more prominent elsewhere." www.pnas.org/doi/full/10....
pnas.org
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
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Shin Asayama @shinasayama.bsky.social · 03/04/2026
"But we’re now considering the unintended side effects of geoengineering we might undertake to mitigate the unwanted consequences of our past geoengineering. Viewed this way, we’ve turned the Earth’s atmosphere into a Rube Goldberg device." www.anthropocenemagazine.org/2026/02/less...
anthropocenemagazine.org
Less air pollution means more warming. Could marine cloud brightening offset the paradox?
Computer simulations reveal that spraying sea salt aerosols may keep global temperatures near 2020 levels as air pollution falls—but may also redraw regional weather patterns.
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Shin Asayama @shinasayama.bsky.social · 18/10/2025
What to Know About ‘Gen Z Protests’ Around the World youtube.com/shorts/Eyh2V...
youtube.com
What to Know About ‘Gen Z Protests’ Around the World
YouTube video by The New York Times
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Shin Asayama @shinasayama.bsky.social · 05/10/2025
How this TikTok deal puts US media control into the hands of the super-rich youtube.com/shorts/lEWwp...
youtube.com
How this TikTok deal puts US media control into the hands of the super-rich
YouTube video by The Guardian
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Shin Asayama @shinasayama.bsky.social · 04/10/2025
"If you wanted to get a paper published in Science from 2015 to 2020, your odds were 70% lower if you were in China than in the United States. But being at an elite institution anywhere in the world may have given you an edge." www.science.org/content/arti...
science.org
Whose papers have an edge at Science? In unusual study, journal looks in the mirror
Confidential data show being in the U.S., at a prestigious institution, and in a large team all may help
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Reposted by Shin Asayama
holly jean buck @hollyjeanbuck.bsky.social · 01/10/2025
How can the #IPCC navigate generative AI? What does it mean for scientific assessment more broadly? New working paper looks at scenarios for AI adoption & resistance, w/ @dralaaclimate.bsky.social @shinasayama.bsky.social and Oliver Geden Reflections welcome! www.swp-berlin.org/publications...
swp-berlin.org
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Reposted by Shin Asayama
Alaa Al Khourdajie @dralaaclimate.bsky.social · 29/09/2025
New working paper out: "Four scenarios for an @ipcc.bsky.social navigating Artificial Intelligence" Led by @hollyjeanbuck.bsky.social, with @shinasayama.bsky.social and Oliver Geden Thread 🧵 1/13
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Shin Asayama @shinasayama.bsky.social · 24/09/2025
"Given all this, we are not advocating deploying geoengineering today. But if policymakers decide that it is needed, a more modest approach would be to run a small, carefully scaled program ... to compensate for the loss of cooling as sulfur pollution is eliminated." www.nytimes.com/2025/09/21/o...
nytimes.com
Opinion | Turns Out Air Pollution Was Good for Something
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Shin Asayama @shinasayama.bsky.social · 18/09/2025
"Younger children are more likely than their older counterparts to judge relationally, physically & phylogenetically distant others as worthy of help or protection. These findings suggest ... that development may not widen our moral circle but may sometimes narrow it." www.nature.com/articles/s41...
nature.com
When development constricts our moral circle - Nature Human Behaviour
Although many believe our moral circles expand with age, this Perspective discusses an early-emerging tendency to care for others.
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Shin Asayama @shinasayama.bsky.social · 16/09/2025
"Hallucinations are a result of the fundamental way in which LLMs work. As statistical machines, the models make predictions by generalizing on the basis of learnt associations, leading them to produce answers that are plausible, but sometimes wrong." www.nature.com/articles/d41...
nature.com
Can researchers stop AI making up citations?
OpenAI’s GPT-5 hallucinates less than previous models do, but cutting hallucination completely might prove impossible.
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Shin Asayama @shinasayama.bsky.social · 16/09/2025
"Researchers are scrutinizing AI-generated sentences while implicitly enabling these systems to choose which scholars are cited ... which research directions might be promising. They are accepting the outputs even though the underlying information has been distorted." www.nature.com/articles/d41...
nature.com
AI chatbots are already biasing research — we must establish guidelines for their use now
The academic community has looked at how artificial-intelligence tools help researchers to write papers, but not how they distort the literature scientists choose to cite.
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Shin Asayama @shinasayama.bsky.social · 16/09/2025
"many academic journals .. requir[e] authors to disclose whether they had used artificial intelligence (AI) to help write their papers. But .. 4 times as many authors use AI as admit to it—and that peer reviewers are using it, too, even though they are asked not to." www.science.org/content/arti...
science.org
Far more authors use AI to write science papers than admit it, publisher reports
Finding highlights promise, questions about detectors of AI-generated text
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Shin Asayama @shinasayama.bsky.social · 16/09/2025
"One major problem is that regulatory ... requirements force researchers to spend nearly half of their research time on paperwork associated with receiving federal grants ... The administrative tasks are unnecessarily complex, duplicative, and ... contradictory." www.science.org/doi/10.1126/...
science.org
Unburden American science
Science is one of the greatest engines of health, prosperity, and security across the world. Yet, in the United States, the enterprise is now under tremendous stress from an array of pressures, includ...
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Shin Asayama @shinasayama.bsky.social · 02/09/2025
What Counts as a ‘National Emergency’? youtube.com/shorts/IOn1e...
youtube.com
What Counts as a ‘National Emergency’?
YouTube video by The New York Times
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Shin Asayama @shinasayama.bsky.social · 27/08/2025
"Automation involves a transfer of knowledge from humans to machines. [Then], human skills are lost, perhaps irrevocably ... Every time a scientist abdicates their work to an AI tool, that is a tacit admission that the work is not worth being done by the scientist." www.nature.com/articles/d41...
nature.com
AI, peer review and the human activity of science
When researchers cede their scientific judgement to machines, we lose something important.
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Shin Asayama @shinasayama.bsky.social · 27/08/2025
"We’ve built machines that sound like they care. Now, we must ensure that they don’t hurt the very people who turn to them for support. That means giving emotionally responsive AI not just more capabilities, but clearer boundaries." www.nature.com/articles/d41...
nature.com
Why we need mandatory safeguards for emotionally responsive AI
Virtual chatbots that simulate conversations with famous actors or sci-fi characters can have real-world consequences.
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Shin Asayama @shinasayama.bsky.social · 27/08/2025
"Conferences today tend to be “deeply shaped by Western and European traditions” ... If they moved to a more diverse set of locations, a wider range of scientists could go, which would benefit science itself by integrating diverse knowledge and experience." @nature.com www.nature.com/articles/d41...
nature.com
Where is the best place to hold a scientific conference right now?
An immigration crackdown makes the United States less attractive. These locations could steal its crown and make conferences more globally inclusive.
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Shin Asayama @shinasayama.bsky.social · 25/08/2025
"But progress always involves reaction and revision. Historical nostalgia may be helping a younger generation to harness the benefits of new technology while preserving the virtues of the tangible, physical experiences that remain essential to human flourishing." www.nytimes.com/2025/08/24/o...
nytimes.com
Opinion | Why Gen Z Is Resurrecting the 1990s
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Shin Asayama @shinasayama.bsky.social · 22/08/2025
"this is not a call to revive the fatally flawed 20th-century notions of “development.” Rather, it means that we need to learn from what worked and what was poisonous ... to create a concept that actually accomplishes what “development” imagined it was about..." www.compactmag.com/article/the-...
compactmag.com
The Long, Slow Death of ‘Development’
Over the past several months, Ezra Klein and Derek Thompson’s manifesto Abundance has set off a wide-ranging debate about the future of progressive politics and governance.
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Shin Asayama @shinasayama.bsky.social · 20/08/2025
"If reviewers typically favor submissions from their own countries, but reviewers from only some countries are well represented in the reviewer pool, this can create a “geographical representation bias” favoring authors from those well-represented countries." www.pnas.org/doi/10.1073/...
pnas.org
Geographical diversity of peer reviewers shapes author success | PNAS
Scientific institutions like funding agencies and journals rely on peer reviewers to select among competing submissions. How does the geographical ...
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Shin Asayama @shinasayama.bsky.social · 18/08/2025
"Now, simulations with ... virtual users generated with [AI] may have revealed why social media tends to become so polarized ... The results suggest that just the basic functions of social media—posting, reposting, and following—inevitably produce polarization." www.science.org/content/arti...
science.org
Don’t blame the algorithm: Polarization may be inherent in social media
In simulations, AI-generated users of stripped-down social media without content algorithms still split into polarized echo chambers
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Shin Asayama @shinasayama.bsky.social · 10/08/2025
"Scholarly publishing relies on peer review to identify the best science. Yet finding willing and qualified reviewers to evaluate manuscripts has become an increasingly challenging task, possibly even threatening the long-term viability of peer review as an institution." arxiv.org/abs/2507.10734
arxiv.org
Will anyone review this paper? Screening, sorting, and the feedback cycles that imperil peer review
Scholarly publishing relies on peer review to identify the best science. Yet finding willing and qualified reviewers to evaluate manuscripts has become an increasingly challenging task, possibly even ...
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Shin Asayama @shinasayama.bsky.social · 10/08/2025
"There’s an obvious fix to the problem of reviewer overwhelm: do less peer review. Some researchers have raised the prospect of more selective use of organized peer review ... there isn’t enough capacity in the system to do high-quality peer review of everything." www.nature.com/articles/d41...
nature.com
The peer-review crisis: how to fix an overloaded system
Journals and funders are trying to boost the speed and effectiveness of review processes that are under strain.
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Shin Asayama @shinasayama.bsky.social · 31/07/2025
Mike Hulme & Arthur Petersen: "The upcoming [AR7] of the IPCC has an opportunity to be better attuned to the world’s religious faiths as holders of knowledge about human meaning, ethics and behaviour, and to incorporate such knowledge explicitly in its assessments." mikehulme.org/the-ipcc-and...
mikehulme.org
The IPCC and Religious Knowledge – Mike Hulme
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Shin Asayama @shinasayama.bsky.social · 31/07/2025
"Publication rates rise sharply during the tenure-track, peaking just before tenure. However, post-tenure trajectories diverge: Researchers in lab-based fields sustain high output, while those in non-lab-based fields typically exhibit a decline." @pnas.org www.pnas.org/doi/10.1073/...
pnas.org
Tenure and research trajectories | PNAS
Tenure is a cornerstone of the US academic system, yet its relationship to faculty research trajectories remains poorly understood. Conceptually, t...
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Shin Asayama @shinasayama.bsky.social · 29/07/2025
"Conservatives consistently disfavored purchasing both Teslas and EVs, irrespective of their perceptions of Musk. Liberals showed declining intentions to purchase Teslas compared with other EVs, and, to a lesser extent, declining intentions to purchase EVs in general." www.nature.com/articles/s41...
nature.com
Liberals are less willing to buy Teslas than other electric vehicles, moderated by perceptions of Elon Musk - Humanities and Social Sciences Communications
Humanities and Social Sciences Communications - Liberals are less willing to buy Teslas than other electric vehicles, moderated by perceptions of Elon Musk
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Shin Asayama @shinasayama.bsky.social · 29/07/2025
Piers Forster: "Yeah, I’m a stammerer, and I’ve done quite well in lots of really supportive environments ... If people see me doing my job and think, ‘Oh, perhaps I can do that sort of thing,’ then that would make me feel chuffed." @science.org www.science.org/content/arti...
science.org
This scientist advises the U.K. government on climate policy—and it has to hear him out
As Piers Forster steps down as chair of the influential Climate Change Committee, he chats with Science about his role in guiding the country toward decarbonization
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Shin Asayama @shinasayama.bsky.social · 24/07/2025
"[T]he blame may lie on “lazy author syndrome,” in which authors extract information only from abstracts or titles without digesting or even reading the full text. Authors may be more likely to skim this way—and introduce errors—when writing background sections..." www.science.org/content/arti...
science.org
‘Lazy’ authors? One in six scientific papers mischaracterize work they cite
New study of long-standing problem takes novel approach, asking cited authors to evaluate accuracy
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Shin Asayama @shinasayama.bsky.social · 19/07/2025
"Here, we show a carbon perception gap, particularly among the wealthiest: Collectively, people acknowledge the presence of carbon inequality and desire a more equitable distribution, yet often perceive themselves as already contributing more than others." www.nature.com/articles/s41...
nature.com
The carbon perception gap in actual and ideal carbon footprints across wealth groups - Nature Communications
Survey data from Germany show that, collectively, people acknowledge carbon inequality and favor fairer emission distributions yet individually perceive themselves to already be ahead of others—reveal...
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Shin Asayama @shinasayama.bsky.social · 12/07/2025
Why the British love their lawns youtube.com/shorts/R_Op0...
youtube.com
Why the British love their lawns
YouTube video by The Economist
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Shin Asayama @shinasayama.bsky.social · 10/07/2025
"From the age of approximately 40 y old, the typical worker endures diminishing feelings of autonomy ... Evidence on objective measures of autonomy ... suggests that these feelings are not an emotional illusion ... “Demotions” ... are apparently commonplace." @pnas.org www.pnas.org/doi/10.1073/...
pnas.org
The growth and collapse of autonomy at work | PNAS
Humans hate being monitored. Autonomy is prized—including by research scientists. Yet little is known about a fundamental issue in the modern world...
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Shin Asayama @shinasayama.bsky.social · 10/07/2025
"These results show how the pandemic-driven shift to remote work has persisted and reached a new equilibrium with implications for urban economies, workforce flexibility, and future research on labor markets." @pnas.org www.pnas.org/doi/10.1073/...
pnas.org
The global persistence of work from home | PNAS
Work from home (WFH) surged worldwide during the COVID-19 pandemic, then partially receded as the pandemic subsided. Using our Global Survey of Wor...
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Shin Asayama @shinasayama.bsky.social · 05/07/2025
"Every country has its myths, its memory and a set of ideals that shape its terms of belonging. But these abstractions have particular salience in the Americas where, as ... Benedict Anderson observed, national identity was a more deliberate act of invention..." www.nytimes.com/2025/07/03/o...
nytimes.com
Opinion | This Is the Birthright Reckoning That America Needs
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Shin Asayama @shinasayama.bsky.social · 03/07/2025
"We study vocabulary changes in more than 15 million biomedical abstracts from 2010 to 2024 ... and show how the appearance of LLMs led to an abrupt increase in the frequency of certain style words ... at least 13.5% of 2024 abstracts were processed with LLMs." www.science.org/doi/10.1126/...
science.org
Delving into LLM-assisted writing in biomedical publications through excess vocabulary
Excess words track LLM usage in biomedical publications.
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Shin Asayama @shinasayama.bsky.social · 03/07/2025
"An analysis of over 400,000 publications shows that men and women in climate science have similar degrees of productivity, success ... and publish in high-prestige journals at similar rates. However, the analysis also shows that women have marginally shorter careers..." www.pnas.org/doi/10.1073/...
pnas.org
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
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Shin Asayama @shinasayama.bsky.social · 03/07/2025
"[T]hese experiments are also one of the first (if not first) to show causal evidence of morally charged attacks generating anger and subsequent social media engagement preferences likely to drive viral spread and exacerbate preexisting political polarization."@pnas.org www.pnas.org/doi/10.1073/...
pnas.org
The effects of social media criticism against public health institutions on trust, emotions, and social media engagement | PNAS
In recent years, trust in US public health and science institutions has faced unprecedented declines, particularly among Republicans/conservatives....
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Shin Asayama @shinasayama.bsky.social · 03/07/2025
"The unconventional approach, called distributed peer review (DPR), has been touted for its potential to alleviate long-standing ailments with traditional reviews of grant applications ... in which a panel of invited outside experts score and debate submissions." www.science.org/content/arti...
science.org
Should grant applicants judge competitors’ proposals? Unorthodox approach gets two real-world tests
Distributed peer review enlists more researchers in the process, but some may lack expertise
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Shin Asayama @shinasayama.bsky.social · 30/06/2025
"The agreement, known as the Falepili Union treaty, allows grantees to obtain permanent residency and move freely between the countries. But both countries have taken pains to avoid using language that implies that Tuvalu may one day cease to exist." www.nytimes.com/2025/06/27/c...
nytimes.com
A Special ‘Climate’ Visa? People in Tuvalu Are Applying Fast.
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Shin Asayama @shinasayama.bsky.social · 28/06/2025
"There are some people who were afraid to even go into ankle-deep ocean water ... A colleague of mine coined the ‘Jaws effect’, which is now used ... to explain how fictional portrayals of real-world issues impact what voters want leaders to do about those issues." www.nature.com/articles/d41...
nature.com
Happy birthday Jaws! How the movie changed shark science
Half a century after its cinematic release, Jaws is still shaping how we view — and protect — the ocean’s top predators.
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