Five Things We Learned This Week

Week of September 6 – 12, 2025

A busy seven days brought hard headlines and surprising turns across geopolitics, markets, tech, and finance. Here are five things worth bookmarking from the week that just passed.


⚔️ Russia’s biggest air attack of the war pummels Ukrainian cities, including Kyiv

On September 8 Russia carried out its most intense air assault of the conflict to date, using a large barrage of missiles and drones that struck Kyiv and other population centres, set a government building ablaze, damaged infrastructure, and caused civilian casualties.
Why it matters: The scale of the strike shows an escalation in Russia’s long-range campaign and increases pressure on Ukraine’s air defences and humanitarian response.

⚖️ U.S. Supreme Court clears the way for broader immigration raids

On September 9 the Supreme Court allowed aggressive federal immigration operations to proceed, backing the administration’s approach to broad enforcement actions in several states.
Why it matters: The decision reshapes enforcement practice nationwide and will affect communities, labor markets, and legal challenges over civil rights and federal power.

📱 Apple unveiled its iPhone 17 lineup and a slimmer “iPhone 17 Air” at its September event

On September 9 Apple introduced the iPhone 17 family along with refreshed AirPods and Watch models, emphasizing a thinner design for the new iPhone Air and modest camera and battery upgrades across the range.
Why it matters: New hardware shapes holiday-season demand, supplier orders, and the consumer tech earnings cycle that drives parts of global markets.

📈 U.S. and global markets rally on growing bets that the Fed will cut rates soon

Through September 11 and 12 stocks posted weekly gains and several U.S. indexes reached fresh highs as traders priced a high probability of an imminent Fed rate cut after softer economic indicators. The rally was led by tech and AI-related names but was broad enough to lift major indices.
Why it matters: Shifting expectations about interest-rate policy change borrowing costs, asset valuations, and capital flows for businesses and households worldwide.

₿ Tether announces plans for a U.S.-facing stablecoin called USAT

On September 12 Tether confirmed plans to launch a new U.S. stablecoin, USAT, aimed specifically at U.S. residents and designed to comply with new domestic rules and banking arrangements.
Why it matters: A regulated U.S. stablecoin from a market leader could reshape crypto onramps, institutional adoption, and how regulators oversee digital dollars.


Closing thoughts: From geopolitical escalations to courtroom rulings, from flashy tech launches to market shifts and digital currency experiments, this week underscored how interconnected our world has become. The threads of war, law, innovation, and finance don’t just make headlines – they ripple into daily life. As we head into the next week, these five stories remind us to keep one eye on the big picture and another on the details shaping tomorrow.

Strategic Pricing Adjustment to Accelerate User Growth and Revenue

Dear OpenAI Leadership,

I am writing to propose a strategic adjustment to ChatGPT’s subscription pricing that could substantially increase both user adoption and revenue. While ChatGPT has achieved remarkable success, the current $25/month subscription fee may be a barrier for many potential users. In contrast, a $9.95/month pricing model aligns with industry standards and could unlock significant growth.

Current Landscape

As of mid-2025, ChatGPT boasts:

  • 800 million weekly active users, with projections aiming for 1 billion by year-end. (source)
  • 20 million paid subscribers, generating approximately $500 million in monthly revenue. (source)

Despite this success, the vast majority of users remain on the free tier, indicating a substantial untapped market.

The Case for $9.95/Month

A $9.95/month subscription fee is a proven price point for digital services, offering a balance between affordability and perceived value. Services like Spotify, Netflix, and OnlyFans have thrived with similar pricing, demonstrating that users are willing to pay for enhanced features and experiences at this price point.

Projected Impact

If ChatGPT were to lower its subscription fee to $9.95/month, the following scenarios illustrate potential outcomes:

  • Scenario 1: 50% Conversion Rate
    50% of current weekly active users (400 million) convert to paid subscriptions.
    200 million paying users × $9.95/month = $1.99 billion/month.
    Annual revenue: $23.88 billion.
  • Scenario 2: 25% Conversion Rate
    25% conversion rate yields 100 million paying users.
    100 million × $9.95/month = $995 million/month.
    Annual revenue: $11.94 billion.

Even at a conservative 25% conversion rate, annual revenue would exceed current projections, highlighting the significant financial upside.

Strategic Considerations

  • Expand the user base: Attract a broader audience, including students, professionals, and casual users.
  • Enhance user engagement: Increased adoption could lead to higher usage rates and data insights, further improving the product.
  • Strengthen market position: A more accessible price point could solidify ChatGPT’s dominance in the AI chatbot market, currently holding an 80.92% share. (source)

Conclusion

Adopting a $9.95/month subscription fee could be a transformative move for ChatGPT, driving substantial revenue growth and reinforcing its position as a leader in the AI space. I urge you to consider this strategic adjustment to unlock ChatGPT’s full potential.

Sincerely,
The Rowanwood Chronicles

#ChatGPT #PricingStrategy #SubscriptionModel #AIAdoption #DigitalEconomy #OpenAI #TechGrowth

The State of Geomatics in Paraguay

As of 2025, Paraguay’s mapping and cartography landscape is undergoing significant transformation, driven by technological advancements, collaborative initiatives, and institutional reforms. I was working in country on an agri-traceability USAID initiative, just over a decade ago, when Paraguay received funding from a development bank for a national mapping project. Problems with a clear mandate, objectives, and governance limited the outcomes of that project, and it’s good to say that huge progress has since been made.  

National and Thematic Mapping

MapBiomas Paraguay
Launched in 2023, MapBiomas Paraguay is a collaborative initiative involving Guyra Paraguay and WWF Paraguay. Utilizing Google Earth Engine, it produces annual land use and land cover (LULC) maps from 1985 to 2022 at a 30-meter resolution. These maps, encompassing ten LULC classes, are instrumental for environmental monitoring, policy-making, and land management. The platform offers open access to raster maps, transition statistics, and satellite mosaics, with updates planned annually.  

Historical Thematic Mapping
Historically, Paraguay’s thematic mapping has been limited. Notable efforts include a 1:500,000 scale resource mapping project in 1975, covering geology, soils, vegetation, and population, and a 1995 publication focusing on soil and land use in the Oriental Region. These maps were produced with support from international organizations and are based on the WGS84 datum.  

Urban and Regional Mapping

YouthMappersUNA and Atlas Urbano Py
Addressing the scarcity of up-to-date urban data, the YouthMappersUNA chapter at the National University of Asunción initiated the Atlas Urbano Py project. This project employs open-source tools like OpenStreetMap (OSM), Mapillary, and QGIS to map urban areas. Fieldwork includes 360° photomapping and drone-based orthophotography, resulting in detailed building use and height data for municipalities along Route PY02. To date, over 21,000 georeferenced images and 3,700 building polygons have been documented.   

Cadastral Mapping and Property Fabric

Servicio Nacional de Catastro (SNC)
The SNC is responsible for Paraguay’s cadastral mapping. Recognizing the need for modernization, a comprehensive reform is underway to streamline procedures, update technological infrastructure, and enhance legal certainty. A significant development is the proposed National Unified Registry (RUN), aiming to integrate the General Directorate of Public Registries, the General Directorate of National Cadaster Services, and the Department of Surveying and Geodesy. This integration seeks to reduce processing times by at least 20% and improve transparency.   

Indigenous Land Mapping

A participatory project focused on indigenous land delimitation has been conducted in six communities of the Mbya Guaraní and Yshir peoples. Covering approximately 35,828 hectares, this initiative involved geolocating traditional boundaries, documenting land invasions, and integrating data into the SNC’s digital cadaster. The project provides legal tools for communities to assert land rights and seek regularization.  

Open Geospatial Data Infrastructure

Paraguay is part of the GeoSUR initiative, a regional network promoting free access to geospatial data across Latin America and the Caribbean. GeoSUR supports the development of spatial data infrastructures (SDIs) by providing tools for data sharing, visualization, and analysis. While progress has been made, challenges remain in ensuring data interoperability, standardization, and widespread adoption of open data practices.   

Paraguay’s cartographic landscape is evolving through collaborative efforts, technological integration, and institutional reforms. National initiatives like MapBiomas Paraguay enhance environmental monitoring, while grassroots projects such as Atlas Urbano Py address urban data gaps. Reforms in cadastral systems aim to improve land administration and legal certainty. Continued investment in open data infrastructures and capacity building will be crucial for sustaining and advancing these developments.  

Five Things We Learned This Week

Week of August 30 – September 5, 2025

The last seven days served up political shocks, seismic tragedy, market drama, and a fresh burst of cosmic wonder. Here are five items worth bookmarking from around the world, each happening inside the Aug 30 – Sep 5 window.

🛡️ 1. Israel strike in Sanaa killed senior Houthi ministers

On August 30, an Israeli strike on Sanaa hit the Houthi-run government, killing the prime minister and several senior ministers according to Houthi authorities. This was the first reported strike to kill top Houthi officials, and it sharpened regional tensions at a time of already high volatility.

Why it matters: hitting senior leaders raises the risk of escalation across the Red Sea corridor and complicates humanitarian access for Yemenis already suffering a long crisis.  

🌍 2. Catastrophic earthquake in Afghanistan kills hundreds

On September 1, a powerful earthquake struck Afghanistan, flattening villages and killing hundreds with thousands injured. Rescue teams and air evacuation missions were mobilized as the international community rushed aid. The death toll and destruction made this one of the most devastating natural disasters of the year in the region.

Why it matters: the scale of destruction deepens the humanitarian emergency and highlights the urgent need for coordinated international relief and long-term rebuilding assistance.  

📈 3. U.S. jobs data showed a sharp slowdown, markets reacted

On September 5, the U.S. Labor Department released August payrolls showing far weaker job growth than expected and an unemployment rate that rose to around 4.3. Markets quickly priced stronger odds of Fed easing, and chip and AI-related stocks powered moves in major indices as investors refocused on rate cut timing.

Why it matters: softer jobs data materially increases the likelihood of Federal Reserve rate cuts this month, which would ripple through currency, bond, and equity markets worldwide.  

🌐 4. White House signs order to put lower Japanese auto tariffs into effect

On September 4–5, the White House signed an executive order implementing lower tariffs on certain Japanese auto imports, following earlier negotiations. The move is part of a broader, shifting U.S. tariff posture and comes as Washington balances trade leverage with strategic industrial partnerships.

Why it matters: the order signals selective liberalization within a larger protectionist trade environment, and it could reshape supply chains and auto industry planning for 2026 and beyond.  

🔭 5. Webb released spectacular newborn-star images that lit up science feeds

Between Sept 3 and Sept 5, NASA and news outlets published new James Webb Space Telescope images showing dense clusters of newborn stars, including extraordinary detail in the Lobster Nebula and Pismis 24 star-forming regions. The images were widely shared and discussed by astronomers for the clarity they bring to early stellar evolution.

Why it matters: the images provide data to test star formation models and keep Webb at the center of rapid advances in understanding how stars and clusters form.   

Another week, another snapshot of a world in motion. Some stories inspire hope, others demand action, but all of them remind us how interconnected our lives have become. Join us again next week as we gather the moments that matter most – the ones that shape the days ahead.

The Lost Diversity of Humanity 

Roughly one hundred thousand years ago, the world was home to a remarkable diversity of human species. Modern humans were only beginning their first tentative steps beyond Africa, but they were not alone. Several other lineages thrived, each adapted to its own landscapes, climates, and ways of life. These were not different “races” of a single species but distinct human branches, separated by hundreds of thousands of years of evolution, yet sometimes still close enough to interbreed.

Neanderthals were the best known of these relatives. They occupied Europe and western Asia, building tools, hunting in coordinated groups, and surviving in some of the harshest Ice Age environments. To the east, Denisovans spread widely across Asia. Although only a handful of their bones and teeth have been recovered, genetic studies show that Denisovans were a major lineage, leaving traces of their DNA in modern populations from Tibet to Oceania. On the island of Java, the last populations of Homo erectus endured. This species had been extraordinarily successful, spreading out of Africa nearly two million years earlier, and fossils suggest they survived until at least 117,000 years ago.

Other species thrived in more isolated environments. On the island of Flores in Indonesia lived Homo floresiensis, often nicknamed the “hobbit” because of its small stature. Despite its diminutive size, this species produced stone tools and likely controlled fire, persisting until around 60,000 years ago. In the Philippines, another small-bodied species, Homo luzonensis, has been identified from remains dating between 67,000 and 50,000 years ago. These island species highlight how isolation could produce unique evolutionary experiments within the genus Homo.

In Africa, earlier lineages had already left their mark. Homo naledi, known from the Rising Star cave system in South Africa, lived between 335,000 and 236,000 years ago. Their remains show an unusual mix of primitive and modern features, alongside evidence suggesting deliberate placement of bodies in cave chambers. Although not contemporaneous with Neanderthals or Denisovans, Homo naledi demonstrates that the human family tree was even more diverse than the late-surviving species of the Pleistocene.

These populations were not fully isolated from one another. Modern genetic evidence shows that Neanderthals and Denisovans interbred with Homo sapiens, and a few individuals even carry ancestry from both. Today, people of non-African descent typically have about 1–2 percent Neanderthal DNA, while some Oceanian groups carry up to 4–6 percent Denisovan DNA. Our genomes are a living archive of those encounters.

Why so many human lineages disappeared remains an open question. Climate fluctuations would have stressed small, scattered populations. Competition for resources may have sharpened between overlapping groups. New pathogens could have devastated communities without immunity. In some cases, Homo sapiens likely held advantages in technology, social organization, or long-distance networks of exchange. But randomness also played a role: survival at evolutionary bottlenecks is often as much about chance as about superiority.

By about 32,000 years ago, only one human species remained – Homo sapiens. Neanderthals had vanished from their European strongholds, Denisovans disappeared from the high plateaus of Asia, and the island species had long gone extinct. What survives of this lost diversity are fragments of bone, stone tools, and strands of DNA that remind us of a time when humanity was not a single lineage but a family of experiments in survival.

Far from a story of inevitable triumph, the rise of Homo sapiens is a reminder of how precarious our own existence once was. The fact that we endure may owe less to strength or intelligence than to timing, adaptability, and the accidents of evolutionary history.

Sources
• Dirks, P. H. G. M., et al. “The age of Homo naledi and associated sediments in the Rising Star Cave, South Africa.” eLife, 2017.
• Smithsonian National Museum of Natural History. “Homo naledi.” Updated January 3, 2024.
• Détroit, F., et al. “A new species of Homo from the Late Pleistocene of the Philippines.” Nature, 2019.
• Brumm, A., et al. “Age and context of Homo floresiensis remains from Liang Bua, Flores.” Nature, 2016.
• Antón, S. C., et al. “Redating Homo erectus at Ngandong, Java, Indonesia.” Nature, 2019.
• Higham, T., et al. “The timing and spatiotemporal patterning of Neanderthal disappearance.” Nature, 2014.
• Chen, F., et al. “A late Middle Pleistocene Denisovan mandible from the Tibetan Plateau.” Nature, 2019.
• Huerta-Sánchez, E., et al. “Altitude adaptation in Tibetans caused by introgression of Denisovan-like DNA.” Nature, 2014.
• Green, R. E., et al. “A draft sequence of the Neandertal genome.” Science, 2010.
• Reich, D., et al. “Denisova admixture and the first modern human dispersals into Southeast Asia and Oceania.” American Journal of Human Genetics, 2011.
• Slon, V., et al. “The genome of the offspring of a Neanderthal mother and a Denisovan father.” Nature, 2018.

Five Things We Learned This Week

This week gave us a mix of cosmic discoveries, market drama, unsettling conflicts, and surprising science that could change how we handle pollution. Here are five fresh, date-checked stories from around the world, each one happened between Aug 23 and Aug 29, 2025.

📈 1. Markets hit records after Nvidia’s results spark an AI rally (Aug 28, 2025)

Wall Street pushed higher on Aug 28 as investors digested Nvidia’s quarterly numbers and continued AI spending, driving the S&P 500 and Dow to record closes. The rebound came despite mixed guidance and persistent trade worries, showing how AI-infrastructure demand is still reshaping markets.

Why it matters: markets are still being driven by AI investment cycles; earnings from a few big players are moving broad indices.

🔭 2. JWST finds an unusually large sample of candidate early galaxies (Aug 23–24, 2025)

Teams mining James Webb Space Telescope infrared images announced this week that dozens, and in early reports more than 300 candidate objects, appear unusually bright and may be among the universe’s earliest galaxies; follow-up spectroscopy on one candidate was reported as confirmed in the same window. These results were discussed in several science roundups published Aug 23–24.

Why it matters: JWST keeps pushing back the frontier on when and how quickly the first galaxies formed, forcing revisions to early-universe models.

🐛 3. Scientists report new plastic-eating biological pathways in waxworms (Aug 27, 2025)

On Aug 27, labs publishing in science outlets revealed mechanisms by which waxworm larvae and their gut microbes break down polyethylene, one of the most persistent plastics. The study used genomic and enzymatic analysis to identify key enzymes that accelerate polyethylene degradation under lab conditions.

Why it matters: this gives plausible biological routes for future biodegradation strategies and new directions for tackling single-use plastic waste.  

🕊️ 4. Israeli strikes hit Sanaa, Yemen (Aug 24, 2025)

Reuters photo dispatches and field reports from Aug 24 documented powerful airstrikes on Sanaa that caused extensive damage and civilian casualties. The images circulated worldwide and were part of broader coverage of escalating regional strikes and their humanitarian impact during the week.

Why it matters: visual evidence from the field sharpened international concern about civilian harm and widened diplomatic focus on de-escalation and aid access.  

🌏 5. North Korea records fastest economic growth in eight years (reported Aug 29, 2025)

On Aug 29, reporting based on South Korean central-bank estimates noted North Korea’s economy grew about 3.7% in 2024, its fastest pace in eight years, a trend analysts connected to deeper economic ties with Russia and informal trade patterns.

Why it matters: shifting economic dynamics in the region affect sanctions efficacy, humanitarian conditions, and geopolitical calculations.  

Another week, another snapshot of a world in motion. Some stories inspire hope, others demand action, but all of them remind us how interconnected our lives have become. Join us again next week as we gather the moments that matter most — the ones that shape the days ahead.

When 10 Meters Isn’t Enough: Understanding AlphaEarth’s Limits in Operational Contexts

In the operational world, data is only as valuable as the decisions it enables, and as timely as the missions it supports. I’ve worked with geospatial intelligence in contexts where every meter mattered and every day lost could change the outcome. AlphaEarth Foundations is not the sensor that will tell you which vehicle just pulled into a compound or how a flood has shifted in the last 48 hours, but it may be the tool that tells you exactly where to point the sensors that can. That distinction is everything in operational geomatics.

With the public release of AlphaEarth Foundations, Google DeepMind has placed a new analytical tool into the hands of the global geospatial community. It is a compelling mid-tier dataset – broad in coverage, high in thematic accuracy, and computationally efficient. But in operational contexts, where missions hinge on timelines, revisit rates, and detail down to the meter, knowing exactly where AlphaEarth fits, and where it does not, is essential.

Operationally, AlphaEarth is best understood as a strategic reconnaissance layer. Its 10 m spatial resolution makes it ideal for detecting patterns and changes at the meso‑scale: agricultural zones, industrial developments, forest stands, large infrastructure footprints, and broad hydrological changes. It can rapidly scan an area of operations for emerging anomalies and guide where scarce high‑resolution collection assets should be deployed. In intelligence terms, it functions like a wide-area search radar, identifying sectors of interest, but not resolving the individual objects within them.

The strengths are clear. In broad-area environmental monitoring, AlphaEarth can reveal where deforestation is expanding most rapidly or where wetlands are shrinking. In agricultural intelligence, it can detect shifts in cultivation boundaries, large-scale irrigation projects, or conversion of rangeland to cropland. In infrastructure analysis, it can track new highway corridors, airport expansions, or urban sprawl. Because it operates from annual composites, these changes can be measured consistently year-over-year, providing reliable trend data for long-term planning and resource allocation.

In the humanitarian and disaster-response arena, AlphaEarth offers a quick way to establish pre‑event baselines. When a cyclone strikes, analysts can compare the latest annual composite to prior years to understand how the landscape has evolved, information that can guide relief planning and longer‑term resilience efforts. In climate-change adaptation, it can help identify landscapes under stress, informing where to target mitigation measures.

But operational users quickly run into resolution‑driven limitations. At 10 m GSD, AlphaEarth cannot identify individual vehicles, small boats, rooftop solar installations, or artisanal mining pits. Narrow features – rural roads, irrigation ditches, hedgerows – disappear into the generalised pixel. In urban ISR (urban Intelligence, Surveillance, and Reconnaissance), this makes it impossible to monitor fine‑scale changes like new rooftop construction, encroachment on vacant lots, or the addition of temporary structures. For these tasks, commercial very high resolution (VHR) satellites, crewed aerial imagery, or drones are mandatory.

Another constraint is temporal granularity. The public AlphaEarth dataset is annual. This works well for detecting multi‑year shifts in land cover but is too coarse for short-lived events or rapidly evolving situations. A military deployment lasting two months, a flash‑flood event, or seasonal agricultural practices will not be visible. For operational missions requiring weekly or daily updates, sensors like PlanetScope’s daily 3–5 m imagery or commercial tasking from Maxar’s WorldView fleet are essential.

There is also the mixed‑pixel effect, particularly problematic in heterogeneous environments. Each embedding is a statistical blend of everything inside that 100 m² tile. In a peri‑urban setting, a pixel might include rooftops, vegetation, and bare soil. The dominant surface type will bias the model’s classification, potentially misrepresenting reality in high‑entropy zones. This limits AlphaEarth’s utility for precise land‑use delineation in complex landscapes.

In operational geospatial workflows, AlphaEarth is therefore most effective as a triage tool. Analysts can ingest AlphaEarth embeddings into their GIS or mission‑planning system to highlight AOIs where significant year‑on‑year change is likely. These areas can then be queued for tasking with higher‑resolution, higher‑frequency assets. In resource-constrained environments, this can dramatically reduce unnecessary collection, storage, and analysis – focusing effort where it matters most.

A second valuable operational role is in baseline mapping. AlphaEarth can provide the reference layer against which other sources are compared. For instance, a national agriculture ministry might use AlphaEarth to maintain a rolling national crop‑type map, then overlay drone or VHR imagery for detailed inspections in priority regions. Intelligence analysts might use it to maintain a macro‑level picture of land‑cover change across an entire theatre, ensuring no sector is overlooked.

It’s important to stress that AlphaEarth is not a targeting tool in the military sense. It does not replace synthetic aperture radar for all-weather monitoring, nor does it substitute for daily revisit constellations in time-sensitive missions. It cannot replace the interpretive clarity of high‑resolution optical imagery for damage assessment, facility monitoring, or urban mapping. Its strength lies in scope, consistency, and analytical efficiency – not in tactical precision.

The most successful operational use cases will integrate AlphaEarth into a tiered collection strategy. At the top tier, high‑resolution sensors deliver tactical detail. At the mid‑tier, AlphaEarth covers the wide‑area search and pattern detection mission. At the base, raw satellite archives remain available for custom analyses when needed. This layered approach ensures that each sensor type is used where it is strongest, and AlphaEarth becomes the connective tissue between broad‑area awareness and fine‑scale intelligence.

Ultimately, AlphaEarth’s operational value comes down to how it’s positioned in the workflow. Used to guide, prioritize, and contextualize other intelligence sources, it can save time, reduce costs, and expand analytical reach. Used as a standalone decision tool in missions that demand high spatial or temporal resolution, it will disappoint. But as a mid‑tier, strategic reconnaissance layer, it offers an elegant solution to a long-standing operational challenge: how to maintain global awareness without drowning in raw data.

For geomatics professionals, especially those in the intelligence and commercial mapping sectors, AlphaEarth is less a silver bullet than a force multiplier. It can’t tell you everything, but it can tell you where to look, and in operational contexts, knowing where to look is often the difference between success and failure.

Correcting the Map: Africa and the Push for Equal Earth

As regular readers know, I often write about geomatics, its services, and products. While I tend to be a purist when it comes to map projections, favouring the Cahill-Keyes and AuthaGraph projections, I can understand why the Equal Earth projection might be more popular, as it still looks familiar enough to resemble a traditional map.

The Equal Earth map projection is gaining prominence as a tool for reshaping global perceptions of geography, particularly in the context of Africa’s representation. Endorsed by the African Union and advocacy groups like Africa No Filter and Speak Up Africa, the “Correct The Map” campaign seeks to replace the traditional Mercator projection with the Equal Earth projection to more accurately depict Africa’s true size and significance. 

Origins and Design of the Equal Earth Projection
Introduced in 2018 by cartographers Bojan Šavrič, Bernhard Jenny, and Tom Patterson, the Equal Earth projection is an equal-area pseudocylindrical map designed to address the distortions inherent in the Mercator projection. While the Mercator projection is useful for navigation, it significantly enlarges regions near the poles and shrinks equatorial regions, leading to a misrepresentation of landmass sizes. In contrast, the Equal Earth projection maintains the relative sizes of areas, offering a more accurate visual representation of continents.  

Africa’s Distorted Representation in Traditional Maps
The Mercator projection, created in 1569, has been widely used for centuries. However, it distorts the size of continents, particularly those near the equator. Africa, for instance, appears smaller than it actually is, which can perpetuate stereotypes and misconceptions about the continent. This distortion has implications for global perceptions and can influence educational materials, media portrayals, and policy decisions.    

The “Correct The Map” Campaign
The “Correct The Map” campaign aims to challenge these historical inaccuracies by promoting the adoption of the Equal Earth projection. The African Union has actively supported this initiative, emphasizing the importance of accurate geographical representations in reclaiming Africa’s rightful place on the global stage. By advocating for the use of the Equal Earth projection in schools, media, and international organizations, the campaign seeks to foster a more equitable understanding of Africa’s size and significance.   

Broader Implications and Global Support
The push for the Equal Earth projection is part of a broader movement to decolonize cartography and challenge Eurocentric perspectives. By adopting map projections that accurately reflect the true size of continents, especially Africa, the global community can promote a more balanced and inclusive worldview. Institutions like NASA and the World Bank have already begun to recognize the value of the Equal Earth projection, and its adoption is expected to grow in the coming years. 

The Equal Earth map projection represents more than just a technical advancement in cartography; it symbolizes a shift towards greater equity and accuracy in how the world is represented. By supporting initiatives like the “Correct The Map” campaign, individuals and organizations can contribute to a more just and accurate portrayal of Africa and other regions, fostering a global environment where all continents are recognized for their true size and importance.

Five Things We Learned This Week

Week of August 16–22, 2025

Every week the world offers lessons, surprises, and turning points that reshape how we see science, politics, climate, sport, and society. From discoveries at the edge of our solar system to debates in global trade, here are five things that stood out this past week.

🪐 Science – Webb spotted a new moon of Uranus.

Astronomers using the James Webb Space Telescope identified S/2025 U1, a previously unknown moon orbiting Uranus. The object, just a few kilometers across, was detected with Webb’s NIRCam instrument. ESA released the images on August 19, marking the first Uranian moon discovery in more than two decades.

🔥 Climate – Wildfire smoke blanketed Iberia.

Southern Europe’s summer turned grim as a new round of wildfires in Portugal and northwest Spain sent thick plumes of smoke across the region. A Copernicus Sentinel-3 pass on August 17 captured the scale of the blazes, and ESA published the analysis on August 20, warning of worsening fire conditions linked to heatwaves and drought.

💱 Economy – New Zealand cut rates.

The Reserve Bank of New Zealand lowered its Official Cash Rate to 3.0% on August 20, citing subdued domestic activity and a steady decline in inflation. The move positions New Zealand as one of the first advanced economies to begin a rate-cut cycle in 2025, with global markets watching closely.

🌐 Trade – Planned US–India talks were called off.

Diplomatic calendars shifted this week when scheduled trade negotiations between the US and India were abruptly canceled on August 16. The talks were expected to tackle tariff relief and market access, but both sides agreed to delay in light of “scheduling conflicts” – a move analysts say underscores ongoing frictions.

⚽ Sports – Arsenal nicked Old Trafford.

The Premier League opened with drama as Arsenal edged Manchester United 1–0 on August 17. Riccardo Calafiori’s first-half header silenced Old Trafford and gave Arsenal an early statement win in the title race. The match was hailed as a tactical masterclass and set the tone for an intense season ahead.

From the outer reaches of Uranus’ orbit to the heat-scorched forests of Iberia, from economic shifts in the Pacific to football roars in Manchester, the week reminded us how interconnected, and unpredictable, our world remains.

We’ll be back next Saturday with another round of lessons, insights, and surprises. Until then, may your week be full of curiosity and connection.

The Tintina Fault: Canada’s Overlooked Seismic Time Bomb

For decades, the Tintina Fault, a massive geological feature stretching over 1,000 kilometers from northeastern British Columbia through the Yukon to central Alaska, was considered a dormant relic of Earth’s tectonic past. However, recent studies have revealed that this once-quiet fault line is far from inactive. Instead, it’s quietly accumulating strain, potentially setting the stage for a significant seismic event in the near future.  

A Long-Dormant Fault Awakens
Historically, the Tintina Fault was thought to have been inactive for millions of years. This perception was based on the absence of significant earthquake activity, and the lack of obvious surface ruptures. However, advancements in geophysical research have challenged this assumption. Using high-resolution LiDAR imaging and satellite data, researchers have identified fault scarps, surface ruptures indicating past seismic activity, along a 130-kilometer segment near Dawson City, Yukon. These findings suggest that the fault has experienced significant movement in the past 2.6 million years, with the most recent major event occurring approximately 132,000 years ago .  

Accumulating Strain: A Recipe for Disaster
One of the most concerning aspects of the Tintina Fault is the strain it’s accumulating. Over the past 12,000 years, the fault has been slowly building up tectonic pressure at a rate of 0.2 to 0.8 millimeters per year. This seemingly insignificant rate translates to a substantial slip deficit of approximately six meters. If this accumulated strain is released suddenly, it could result in an earthquake with a magnitude exceeding 7.5 – comparable in size to the devastating 2010 Haiti earthquake .  

Potential Impacts on Northern Communities
While the Yukon is sparsely populated, communities like Dawson City could face significant challenges if the Tintina Fault were to rupture. The region’s infrastructure, including roads and buildings, may not be designed to withstand such a powerful earthquake. Additionally, the area’s susceptibility to landslides could exacerbate the situation, leading to further damage and potential loss of life.  

Reevaluating Seismic Risk Models
The newfound activity along the Tintina Fault has prompted scientists to reassess Canada’s National Seismic Hazard Model. Previously, the fault was not considered a significant earthquake source. However, the recent findings indicate that it may pose a more substantial risk than previously thought. As a result, researchers are advocating for updates to hazard models and increased preparedness in the region. 

The Tintina Fault serves as a stark reminder that even seemingly dormant geological features can harbor significant seismic potential. As our understanding of Earth’s tectonic processes deepens, it’s crucial to remain vigilant and proactive in assessing and mitigating natural hazards. The recent revelations about the Tintina Fault underscore the importance of continuous research and preparedness in safeguarding communities against the unpredictable forces of nature.