AI Research
Amazon Web Services builds heat exchanger to cool Nvidia GPUs for AI
The letters AI, which stands for “artificial intelligence,” stand at the Amazon Web Services booth at the Hannover Messe industrial trade fair in Hannover, Germany, on March 31, 2025.
Julian Stratenschulte | Picture Alliance | Getty Images
Amazon said Wednesday that its cloud division has developed hardware to cool down next-generation Nvidia graphics processing units that are used for artificial intelligence workloads.
Nvidia’s GPUs, which have powered the generative AI boom, require massive amounts of energy. That means companies using the processors need additional equipment to cool them down.
Amazon considered erecting data centers that could accommodate widespread liquid cooling to make the most of these power-hungry Nvidia GPUs. But that process would have taken too long, and commercially available equipment wouldn’t have worked, Dave Brown, vice president of compute and machine learning services at Amazon Web Services, said in a video posted to YouTube.
“They would take up too much data center floor space or increase water usage substantially,” Brown said. “And while some of these solutions could work for lower volumes at other providers, they simply wouldn’t be enough liquid-cooling capacity to support our scale.”
Rather, Amazon engineers conceived of the In-Row Heat Exchanger, or IRHX, that can be plugged into existing and new data centers. More traditional air cooling was sufficient for previous generations of Nvidia chips.
Customers can now access the AWS service as computing instances that go by the name P6e, Brown wrote in a blog post. The new systems accompany Nvidia’s design for dense computing power. Nvidia’s GB200 NVL72 packs a single rack with 72 Nvidia Blackwell GPUs that are wired together to train and run large AI models.
Computing clusters based on Nvidia’s GB200 NVL72 have previously been available through Microsoft or CoreWeave. AWS is the world’s largest supplier of cloud infrastructure.
Amazon has rolled out its own infrastructure hardware in the past. The company has custom chips for general-purpose computing and for AI, and designed its own storage servers and networking routers. In running homegrown hardware, Amazon depends less on third-party suppliers, which can benefit the company’s bottom line. In the first quarter, AWS delivered the widest operating margin since at least 2014, and the unit is responsible for most of Amazon’s net income.
Microsoft, the second largest cloud provider, has followed Amazon’s lead and made strides in chip development. In 2023, the company designed its own systems called Sidekicks to cool the Maia AI chips it developed.
WATCH: AWS announces latest CPU chip, will deliver record networking speed
Avalara has announced the launch of Avi for Tax Research, a generative AI assistant embedded within Avalara Tax Research (ATR), aimed at supporting tax and trade professionals with immediate, reliable responses to complex tax law queries.
Avi for Tax Research draws on Avalara’s extensive library of tax content to provide users with rapid, comprehensive answers regarding the tax status of products, audit risk, and precise sales tax rates for specific addresses.
Capabilities outlined
The AI assistant offers several features to advance the workflow of tax and trade professionals.
Among its core capabilities, Avi for Tax Research allows users to instantly verify the taxability of products and services through straightforward queries. The tool delivers responses referencing Avalara’s comprehensive tax database, aiming to ensure both speed and reliability in answering enquiries.
Additional support includes access to up-to-date official guidance to help mitigate audit risks and reinforce defensible tax positions. By providing real-time insights, professionals can proactively adapt to changes in tax regulations without needing to perform extensive manual research.
For businesses operating across multiple locations, Avi for Tax Research enables the generation of precise, rooftop-level sales tax rates tailored to individual street addresses, which can improve compliance accuracy to the level of local jurisdiction requirements.
Designed for ease of use
The assistant is built with an intuitive conversational interface intended to be accessible to professionals across departments, including those lacking a formal tax background.
According to Avalara, this functionality should help improve operational efficiency and collaboration by reducing the skills barrier usually associated with tax research.
Avalara’s EVP and Chief Technology Officer, Danny Fields, described the new capabilities in the context of broader industry trends.
“The tax compliance industry is at the dawn of unprecedented innovation driven by rapid advancements in AI,” said Danny Fields, EVP and Chief Technology Officer of Avalara. “Avalara’s technology mission is to equip customers with reliable, intuitive tools that simplify their work and accelerate business outcomes.”
The company attributes Avi’s capabilities to its two decades of tax and compliance experience, which inform the AI’s underlying content and context-specific decision making. By making use of Avalara’s metadata, the solution is intended to shorten the time spent on manual analysis, offering instant and trusted answers to user questions and potentially allowing compliance teams to allocate more time to business priorities.
Deployment and access
The tool is available immediately to existing ATR customers without additional setup.
New customers have the opportunity to explore Avi for Tax Research through a free trial, which Avalara states is designed to reduce manual effort and deliver actionable information for tax research. Customers can use the AI assistant to submit tax compliance research questions and receive instant responses tailored to their requirements.
Avalara delivers technology aimed at supporting over 43,000 business and government customers across more than 75 countries, providing tax compliance solutions that integrate with leading eCommerce, ERP, and billing systems.
The release of Avi for Tax Research follows continued developments in AI applications for business compliance functions, reflecting the increasing demand for automation and accuracy in global tax and trade environments.
AI Research
Tenable Research Warns of Critical AI Tool Vulnerability That Requires Immediate Attention [CVE-2025-49596]
GUEST RESEARCH: Tenable Research has identified a critical remote code execution vulnerability (CVE-2025-49596) in Anthropic’s widely adopted MCP Inspector, an open-source tool crucial for AI development. With a CVSS score of 9.4, this flaw leverages default, insecure configurations, leaving organisations exposed by design. MCP Inspector is a popular tool with over 38,000 weekly downloads on npmjs and more than 4,000 stars on GitHub.
Exploitation is alarmingly simple. A visit to a malicious website can fully compromise a workstation, requiring no further user interaction. Attackers can gain persistent access, steal sensitive data, including credentials and intellectual property, and enable lateral movement or deploy malware.
“Immediate action is non-negotiable”, says Rémy Marot, Staff Research Engineer at Tenable. “Security teams and developers should upgrade MCP Inspector to version 0.14.1 or later. This update enforces authentication, binds services to localhost, and restricts trusted origins, closing critical attack vectors. Prioritise robust security policies before deploying AI tools to mitigate these inherent risks.”
For in-depth information about this research, please refer to the detailed blog post published by Tenable’s Research Team.
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Written by Adam Othman at The Motley Fool Canada
Investing to become very wealthy over the years isn’t something that comes to you by making one good investment. It takes plenty of time and disciplined investing over several years to create lasting success. Yes, there is a degree of luck involved, but maximizing your chances of becoming a successful stock market investor requires making intelligent investments.
Identifying a part of the market that’s slated to deliver substantial returns can be an excellent way to find a good investment for your self-directed investment portfolio. These days, it seems anything that has something to do with Artificial Intelligence (AI) is the right move to make, and there’s no shortage of choices in the market.
If you’re looking for AI stocks, the TSX has plenty of publicly traded companies offering you exposure. Today, I will discuss an AI stock from the healthcare sector that you should take a good look at as a long-term holding for your portfolio.
WELL Health Technologies Corp. (TSX:WELL) is a $1.1 billion market capitalization company that owns and operates a portfolio of primary healthcare clinics across North America through several business segments. WELL Health might not be a household name yet, but it seems like it’s well on its way to becoming one.
WELL Health offers support to thousands of medical practitioners and clinics through its digital health platform. The company came into the limelight during the pandemic, offering telehealth services during social distancing restrictions to a population that wanted safer access to healthcare during that time.
While the world has moved into a post-pandemic era, WELL Health remains a relevant business. The company’s expanded offerings have recently combined with AI to reduce costs while improving patient care across the board.
The AI stock saw stellar results in its first quarter for fiscal 2025. The company generated a record high revenue that was up by over 30% from the same period last year, and its adjusted earnings before interest, taxes, depreciation, and amortization (EBITDA) were up by 36% from Q1 2024.
A recent foray into AI has also picked things up for WELL Health. The company recently acquired HEALWELL AI, which is a company focusing entirely on helping practitioners make clinical decisions enhanced by AI. WELL Health anticipates that the acquisition will result in around $40 million per quarter in revenue through this platform.
The move, if it turns out to be successful, will see WELL Health move on from being a mere telehealth company into a full-fledged AI-powered healthcare data company.
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