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Updated 2025-07-11 14:00
Why doctors should look for ways to prescribe hope
This week, I've been thinking about the powerful connection between mind and body. Some new research suggests that people with heart conditions have better outcomes when they are more hopeful and optimistic. Hopelessness, on the other hand, is associated with a significantly higher risk of death. The findings build upon decades of fascinating research into...
Inside the race to find GPS alternatives
Later this month, an inconspicuous 150-kilogram satellite is set to launch into space aboard the SpaceX Transporter 14 mission. Once in orbit, it will test super-accurate next-generation satnav technology designed to make up for the shortcomings of the US Global Positioning System (GPS). The satellite is the first of a planned constellation called Pulsar, which...
Manus has kick-started an AI agent boom in China
Last year, China saw a boom in foundation models, the do-everything large language models that underpin the AI revolution. This year, the focus has shifted to AI agents-systems that are less about responding to users' queries and more about autonomously accomplishing things for them. There are now a host of Chinese startups building these general-purpose...
The Download: funding a CRISPR embryo startup, and bad news for clean cement
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Crypto billionaire Brian Armstrong is ready to invest in CRISPR baby tech Brian Armstrong, the billionaire CEO of the cryptocurrency exchange Coinbase, says he's ready to fund a US startup focused on gene-editing...
Over $1 billion in federal funding got slashed for this polluting industry
The clean cement industry might be facing the end of the road, before it ever really got rolling. On Friday, the US Department of Energy announced that it was canceling $3.7 billion in funding for 24 projects related to energy and industry. That included nearly $1.3 billion for cement-related projects. Cement is a massive climate...
Crypto billionaire Brian Armstrong is ready to invest in CRISPR baby tech
Brian Armstrong, the billionaire CEO of the cryptocurrency exchange Coinbase, says he's ready to fund a US startup focused on gene-editing human embryos. If he goes forward, it would be the first major commercial investment in one of medicine's most fraught ideas. In a post on X June 2, Armstrong announced he was looking for...
MIT Technology Review Insiders Panel
The Download: AI’s role in math, and calculating its energy footprint
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. What's next for AI and math The modern world is built on mathematics. Math lets us model complex systems such as the way air flows around an aircraft, the way financial markets fluctuate,...
What’s next for AI and math
MIT Technology Review's What's Next series looks across industries, trends, and technologies to give you a first look at the future. You can read the rest of themhere. The way DARPA tells it, math is stuck in the past. In April, the US Defense Advanced Research Projects Agency kicked off a new initiative called expMath-short...
The Download: reasons to be optimistic about AI’s energy use, and Caiwei Chen’s three things
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Four reasons to be optimistic about AI's energy usage Two weeks ago, we launched Power Hungry, a new series shining a light on the energy demands and carbon costs of the artificial intelligence...
Inside the effort to tally AI’s energy appetite
After working on it for months, my colleague Casey Crownhart and I finally saw our story on AI's energy and emissions burden go live last week. The initial goal sounded simple: Calculate how much energy is used each time we interact with a chatbot, and then tally that up to understand why everyone from leaders...
The Download: US climate studies are being shut down, and building cities from lava
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. The Trump administration has shut down more than 100 climate studies The Trump administration has terminated National Science Foundation grants for more than 100 research projects related to climate change, according to an...
The Trump administration has shut down more than 100 climate studies
The Trump administration has terminated National Science Foundation grants for more than 100 research projects related to climate change amid a widening campaign to slash federal funding for scientists and institutions studying the rising risks of a warming world. The move will cut off what's likely to amount to tens of millions of dollars for...
Fueling seamless AI at scale
From large language models (LLMs) to reasoning agents, today's AI tools bring unprecedented computational demands. Trillion-parameter models, workloads running on-device, and swarms of agents collaborating to complete tasks all require a new paradigm of computing to become truly seamless and ubiquitous. First, technical progress in hardware and silicon design is critical to pushing the boundaries...
The Download: sycophantic LLMs, and the AI Hype Index
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. This benchmark used Reddit's AITA to test how much AI models suck up to us Back in April, OpenAI announced it was rolling back an update to its GPT-4o model that made ChatGPT's...
This benchmark used Reddit’s AITA to test how much AI models suck up to us
Back in April, OpenAI announced it was rolling back an update to its GPT-4o model that made ChatGPT's responses to user queries too sycophantic. An AI model that acts in an overly agreeable and flattering way is more than just annoying. It could reinforce users' incorrect beliefs, mislead people, and spread misinformation that can be...
The Download: the next anti-drone weapon, and powering AI’s growth
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. This giant microwave may change the future of war Imagine: China deploys hundreds of thousands of autonomous drones in the air, on the sea, and under the water-all armed with explosive warheads or...
What will power AI’s growth?
It's been a little over a week since we published Power Hungry, a package that takes a hard look at the expected energy demands of AI. Last week in this newsletter, I broke down the centerpiece of that package, an analysis I did with my colleague James O'Donnell. (In case you're still looking for an...
This giant microwave may change the future of war
Imagine: China deploys hundreds of thousands of autonomous drones in the air, on the sea, and under the water-all armed with explosive warheads or small missiles. These machines descend in a swarm toward military installations on Taiwan and nearby USbases, and over the course of a few hours, a single robotic blitzkrieg overwhelms the US...
The AI Hype Index: College students are hooked on ChatGPT
Separating AI reality from hyped-up fiction isn't always easy. That's why we've created the AI Hype Index-a simple, at-a-glance summary of everything you need to know about the state of the industry. Large language models confidently present their responses as accurate and reliable, even when they're neither of those things. That's why we've recently seen...
The Download: the story of OpenAI, and making magnesium
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. OpenAI: The power and the pride OpenAI's release of ChatGPT 3.5 set in motion an AI arms race that has changed the world. How that turns out for humanity is something we are...
OpenAI: The power and the pride
In April, Paul Graham, the founder of the tech startup accelerator Y Combinator, sent a tweet in response to former YC president and current OpenAI CEO Sam Altman. Altman had just bid a public goodbye to GPT-4 on X, and Graham had a follow-up question. If you had [GPT-4's model weights] etched on a piece...
This startup wants to make more climate-friendly metal in the US
A California-based company called Magrathea just turned on a new electrolyzer that can make magnesium metal from seawater. The technology has the potential to produce the material, which is used in vehicles and defense applications, with net-zero greenhouse-gas emissions. Magnesium is an incredibly light metal, and it's used for parts in cars and planes, as...
A new sodium metal fuel cell could help clean up transportation
A new type of fuel cell that runs on sodium metal could one day help clean up sectors where it's difficult to replace fossil fuels, like rail, regional aviation, and short-distance shipping. The device represents a departure from technologies like lithium-based batteries and is more similar conceptually to hydrogen fuel cell systems. The sodium-air fuel...
Building customer-centric convenience
In the U.S., two-thirds of the country's 150,000 convenience stores are run by independent operators. Mom-and-pop shops, powered by personal relationships and local knowledge, are the backbone of the convenience sector. These neighborhood operators have long lacked the resources needed to compete with larger chains when it comes to technology, operations, and customer loyalty programs....
The Download: nuclear-powered AI, and a short history of creativity
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Can nuclear power really fuel the rise of AI? In the AI arms race, all the major players say they want to go nuclear. Over the past year, the likes of Meta, Amazon,...
The Download: meet Cathy Tie, and Anthropic’s new AI models
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Meet Cathy Tie, Bride of China's Frankenstein" Since the Chinese biophysicist He Jiankui was released from prison in 2022, he has sought to make a scientific comeback and to repair his reputation after...
The FDA plans to limit access to covid vaccines. Here’s why that’s not all bad.
This week, two new leaders at the US Food and Drug Administration announced plans to limit access to covid vaccines, arguing that there is not much evidence to support the value of annual shots in healthy people. New vaccines will be made available only to the people who are most vulnerable-namely, those over 65 and...
Meet Cathy Tie, Bride of “China’s Frankenstein”
Since the Chinese biophysicist He Jiankui was released from prison in 2022, he has sought to make a scientific comeback and to repair his reputation after a three-year incarceration for illegally creating the world's first gene-edited children. While he has bounced between cities, jobs, and meetings with investors, one area of visible success on his...
Anthropic’s new hybrid AI model can work on tasks autonomously for hours at a time
Anthropic has announced two new AI models that it claims represent a major step toward making AI agents truly useful. AI agents trained on Claude Opus 4, the company's most powerful model to date, raise the bar for what such systems are capable of by tackling difficult tasks over extended periods of time and responding...
The Download: the desert data center boom, and how to measure Earth’s elevations
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. The data center boom in the desert In the high desert east of Reno, Nevada, construction crews are flattening the golden foothills of the Virginia Range, laying the foundations of a data center...
Three takeaways about AI’s energy use and climate impacts
This week, we published Power Hungry, a package all about AI and energy. At the center of this package is the most comprehensive look yet at AI's growing power demand, if I do say so myself. This data-heavy story is the result of over six months of reporting by me and my colleague James O'Donnell...
A new atomic clock in space could help us measure elevations on Earth
In 2003, engineers from Germany and Switzerland began building a bridge across the Rhine River simultaneously from both sides. Months into construction, they found that the two sides did not meet. The German side hovered 54 centimeters above the Swiss side. The misalignment occurred because the German engineers had measured elevation with a historic level...
Roundtables: A New Look at AI’s Energy Use
Recorded on May 21, 2025 Big Tech's appetite for energy is growing rapidly as adoption of AI accelerates. But just how much energy does even a single AI query use? And what does it mean for the climate? Hear fromMIT Technology Revieweditor in chief Mat Honan, senior climate reporter Casey Crownhart, and AI reporter James...
The Download: Google’s AI mission, and America’s reliance on natural gas
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. By putting AI into everything, Google wants to make it invisible If you want to know where AI is headed, this year's Google I/O has you covered. The company's annual showcase of next-gen...
By putting AI into everything, Google wants to make it invisible
If you want to know where AI is headed, this year's Google I/O has you covered. The company's annual showcase of next-gen products, which kicked off yesterday, has all of the pomp and pizzazz, the sizzle reels and celebrity walk-ons, that you'd expect from a multimillion-dollar marketing event. But it also shows us just how...
The Download: introducing the AI energy package
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. We did the math on AI's energy footprint. Here's the story you haven't heard. It's well documented that AI is a power-hungry technology. But there has been far less reporting on the extent...
AI could keep us dependent on natural gas for decades to come
The thousands of sprawling acres in rural northeast Louisiana had gone unwanted for nearly two decades. Louisiana authorities bought the land in Richland Parish in 2006 to promote economic development in one of the poorest regions in the state. For years, they marketed the former agricultural fields as the Franklin Farm mega site, first to...
AI’s energy impact is still small—but how we handle it is huge
With seemingly no limit to the demand for artificial intelligence, everyone in the energy, AI, and climate fields is justifiably worried. Will there be enough clean electricity to power AI and enough water to cool the data centers that support this technology? These are important questions with serious implications for communities, the economy, and the...
The data center boom in the desert
In the high desert east of Reno, Nevada, construction crews are flattening the golden foothills of the Virginia Range, laying the foundations of a data center city. Google, Tract, Switch, EdgeCore, Novva, Vantage, and PowerHouse are all operating, building, or expanding huge facilities within the Tahoe Reno Industrial Center, a business park bigger than the...
We did the math on AI’s energy footprint. Here’s the story you haven’t heard.
Everything you need to know about estimating AI’s energy and emissions burden
When we set out to write a story on the best available estimates for AI's energy and emissions burden, we knew there would be caveats and uncertainties to these numbers. But, we quickly discovered, the caveats are the story too. This story is a part of MIT Technology Review's series Power Hungry: AI and our...
Can nuclear power really fuel the rise of AI?
In the AI arms race, all the major players say they want to go nuclear. Over the past year, the likes of Meta, Amazon, Microsoft, and Google have sent out a flurry of announcements related to nuclear energy. Some are about agreements to purchase power from existing plants, while others are about investments looking to...
Four reasons to be optimistic about AI’s energy usage
The day after his inauguration in January, President Donald Trump announced Stargate, a $500 billion initiative to build out AI infrastructure, backed by some of the biggest companies in tech. Stargate aims to accelerate the construction of massive data centers and electricity networks across the US to ensure it keeps its edge over China. This...
How AI is introducing errors into courtrooms
It's been quite a couple weeks for stories about AI in the courtroom. You might have heard about the deceased victim of a road rage incident whose family created an AI avatar of him to show as an impact statement (possibly the first time this has been done in the US). But there's a bigger,...
AI can do a better job of persuading people than we do
Millions of people argue with each other online every day, but remarkably few of them change someone's mind. New research suggests that large language models (LLMs) might do a better job. The finding suggests that AI could become a powerful tool for persuading people, for better or worse. A multi-university team of researchers found that...
The real impact of AI on your organization
AI technologies are reshaping work, but not all workflows or roles will be equally transformed. Discover how AI is changing the way we work, given the technical capabilities and limitations of today's systems. Through real-world use cases and strategic insights, this session equips business leaders with the knowledge to prioritize investments and identify the technologies...
AI strategies from the front lines
AI's potential to transform business is undeniable, but realizing tangible value remains a challenge. This session explores where AI is driving the greatest returns today, how to set and manage realistic expectations, and approaches to overcome cultural and operational inertia. Attendees will gain practical guidance and actionable insights to inform their AI strategies and guide...
The Download: chaos at OpenAI, and the spa heated by bitcoin mining
This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Inside the story that enraged OpenAI -Niall Firth, executive editor, MIT Technology Review In 2019, Karen Hao, a senior reporter with MIT Technology Review, pitched me a story about a then little-known company,...
Can crowdsourced fact-checking curb misinformation on social media?
In a 2019 speech at Georgetown University, Mark Zuckerberg famously declared that he didn't want Facebook to be an arbiter of truth." And yet, in the years since, his company, Meta, has used several methods to moderate content and identify misleading posts across its social media apps, which include Facebook, Instagram, and Threads. These methods...
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