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Best King-Size Mattresses for 2025, Tested by CNET’s Sleep Experts

Our sleep experts have been testing mattresses, bedding and accessories for years (a few have been testing for up to eight years). At this point, we've tested over 300 mattresses from dozens of brands, from bigwigs like Purple and Tempur-Pedic to more niche companies like Sonu and Airweave. Our team is comprised of bed testers with varying body weights and types, heights, genders and sleep preferences, which helps us provide an overarching assessment of each mattress from a multitude of viewpoi

The Chainsmokers’ Mantis Ventures closes $100M third fund

In Brief Mantis Ventures, the venture capital firm co-founded by Alex Pall and Drew Taggart of the electronic DJ group The Chainsmokers, has raised $100 million in commitments for its third fund. At $100 million, the firm’s newest fund is 25% larger than Mantis’s previous $80 million fund, a notable achievement at a time when many venture firms are struggling to maintain their existing fund sizes or secure new capital. Mantis has invested in B2B companies, such as cybersecurity firm Chainguar

Venture gets a rare Native American-led fund in Betsy Fore’s Velveteen Ventures

When Betsy Fore was five, her grandmother got her a gift she has never forgotten: A Velveteen Rabbit from Goodwill that Fore believed, with enough love, could spring alive. Decades later, that rabbit has lent its name to Fore’s venture firm, Velveteen Ventures, which came to life on Tuesday. “I realized after building companies for nearly two decades that I could make the greatest ripple in this one precious life by being on the other side of the table,” she told TechCrunch. Her companies inclu

Gigabyte motherboards vulnerable to UEFI malware bypassing Secure Boot

Dozens of Gigabyte motherboard models run on UEFI firmware vulnerable to security issues that allow planting bootkit malware that is invisible to the operating system and can survive reinstalls. The vulnerabilities could allow attackers with local or remote admin permissions to execute arbitrary code in System Management Mode (SMM), an environment isolated from the operating system (OS) and with more privileges on the machine. Mechanisms running code below the OS have low-level hardware access

Sequoia bets on silence

There is a time-honored crisis management strategy, wherein one says nothing and waits for the outrage to pass. For Sequoia Capital, the strategy worked pretty well this week. While partner Shaun Maguire initially weathered criticism over an inflammatory social media post, that initial indignation cooled quickly. Now, some seem to think that Maguire’s defiant stance may even be strengthening his position. Business Insider actually called it “good for deal flow” — controversy as competitive advan

Apple just released new AirPods Pro 2 and AirPods 4 beta firmware

Apple’s beta software cycle has had a busy week, with updates like iOS 26 and iPadOS 26 hitting first, then tvOS 26 beta 3 landing a day later. Now today, Apple has released new AirPods Pro 2 and AirPods 4 beta firmware. Here’s what you should know. Latest AirPods firmware includes support for new iOS 26 features This summer, Apple has made AirPods beta firmware easier than ever to install. And it seems like coordinated with that change is a shift to more frequent beta releases. Historically

Confirmed: Nintendo’s Switch 2 can work with existing docks and webcams after replacing their firmware

is a senior editor and founding member of The Verge who covers gadgets, games, and toys. He spent 15 years editing the likes of CNET, Gizmodo, and Engadget. Over the last two weeks, I’ve sought to uncover why the Nintendo Switch 2 didn’t work with a host of USB-C accessories that worked perfectly fine with other devices, including third-party docks and some of the best-reviewed webcams. But today, I have first-hand confirmation that existing gadgets can work — as long as their manufacturers iss

Tech founders call on Sequoia Capital to denounce VC Shaun Maguire's Mamdani comments

Almost 600 people have signed an open letter to leaders at venture firm Sequoia Capital after one of its partners, Shaun Maguire, posted what the group described as a "deliberate, inflammatory attack" against the Muslim Democratic mayoral candidate in New York City. Maguire, a vocal supporter of President Donald Trump, posted on X over the weekend that Zohran Mamdani, who won the Democratic primary last month, "comes from a culture that lies about everything" and is out to advance "his Islamist

Drive Capital’s second act — how the Columbus venture firm found success after a split

The venture capital world has always had a hot-and-cold relationship with the Midwest. Investors rush in during boom times, then retreat to the coasts when markets turn sour. For Columbus, Ohio-based Drive Capital, this cycle of attention and disinterest played out against the backdrop of its own internal upheaval several years ago — a co-founder split that could have ended the firm but may have ultimately strengthened it. At a minimum, Drive achieved something newsworthy in today’s venture lan

Best Hybrid Mattress of 2025: These Beds Surpassed Our Sleep Team’s Rigorous Tests

During our seven-plus years of testing mattresses, our team has refined a strict testing process focusing on key characteristics, including firmness and feel, construction and design and performance. Performance includes qualities such as edge support, motion isolation and temperature regulation. Our team of mattress testers and certified sleep coaches includes individuals of varying genders, heights, body types, sleep positions and preferences. We thoroughly analyze each bed with all kinds of

Yet Another Zip Trick

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Drive Capital’s second act –  how the Columbus venture firm found success after a split

The venture capital world has always had a hot-and-cold relationship with the Midwest. Investors rush in during boom times, then retreat to the coasts when markets turn sour. For Columbus, Ohio-based Drive Capital, this cycle of attention and disinterest played out against the backdrop of its own internal upheaval several years ago — a co-founder split that could have ended the firm but may have ultimately strengthened it. At a minimum, Drive achieved something newsworthy in today’s venture lan

Supergiant’s latest Hades II patch is likely its last before launch

Despite it having upward of 61,000 reviews on Steam, Hades II isn’t actually out yet. The sequel to Supergiant Games’ hugely successful roguelite dungeon crawler has been in early access on PC for over a year, and even the early builds were extremely polished and content-rich for what is still a work-in-progress game. But we (and Switch owners) have been waiting patiently for that 1.0 release date, and it looks like it might be just around the corner, with Supergiant confirming that the latest U

The Best Mattresses for Heavy People in 2025, According to CNET Sleep Experts

With five-plus years of mattress testing experience, we use our different sleeping positions and body type perspectives to offer well-rounded, honest reviews. CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. Nobody wants a flat, saggy mattress. Not only do they not feel good, but an unsupportive mattress can cause pain. There are plenty of better mattresses out there for those

Hexagon fuzz: Full-system emulated fuzzing of Qualcomm basebands

Key takeaways 1. Due to Qualcomm’s proprietary architecture, a lack of security tooling exists around their baseband 2. Our tooling enables research on Hexagon baseband with significantly reduced engineering work 3. We release the first open-source toolchain for full-system emulated Hexagon firmware fuzzing at TROOPERS25 Overview Every phone has a cellular baseband processor to handle mobile communications (5G, 4G, GPS, and more). Qualcomm created a specific architecture for its baseband c

Effectiveness of trees in reducing temperature, outdoor heat exposure in Vegas

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Effectiveness of trees in reducing temperature & outdoor heat exposure in Vegas

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Catalio Capital closes over $400M Fund IV

In Brief Venture capital firm Catalio Capital Management announced today the closing of its more than $400 million Fund IV, as first reported by Bloomberg. The fund will continue the firm’s thesis of backing healthcare and biotechnology companies. The firm was founded in 2020 and has made more than 100 investments, according to PitchBook. Catalio’s Fund IV, in particular, has backed 16 companies already, including the diagnostics company PinkDx and the drug discovery company Superluminal Medic

China's Huawei open-sources AI models as it seeks adoption across the global AI market

In recent years, the company has transformed from a competent private sector telecommunications firm into a "muscular technology juggernaut straddling the entire AI hardware and software stack," said Paul Triolo, partner and senior vice president for China at advisory firm DGA-Albright Stonebridge Group. Huawei has open-sourced two of its artificial intelligence models — a move tech experts say will help the U.S.-blacklisted firm continue to build its AI ecosystem and expand overseas. The Chin

Topics: ai china firm huawei open

Information has been permanently deleted, for small values of permanently

As part of a periodic purge of unused online accounts, I deleted my account from a company ten months ago. Let’s call that company Contoso. I received a confirmation that said, “Your personal information and items associated with your account have now been deleted. This action is permanent and cannot be reversed.” Yesterday, I got an email from Contoso informing me that they have updated their Privacy Policy. So I guess their “confirmation” of “permanent” and “irreversible” deletion of my pers

Judge backs AI firm over use of copyrighted books

Judge backs AI firm over use of copyrighted books 47 minutes ago Share Save Natalie Sherman and Lucy Hooker BBC News Share Save Getty Images A US judge has ruled that using books to train artificial intelligence (AI) software is not a violation of US copyright law. The decision came out of a lawsuit brought last year against AI firm Anthropic by three writers, a novelist, and two non-fiction authors, who accused the firm of stealing their work to train its Claude AI model and build a multi-bi

World Curling tightens sweeping rules, bans firmer broom foams ahead of Olympics

World Curling has tightened its sweeping equipment rules heading into the Olympic season. The move, announced Friday, follows concern over firmer broom foams that many players said gave sweepers too much control. Several high-profile models — including some from Goldline, BalancePlus and Hardline — are now banned. Only brushes with less-firm foam are approved for competition, effective immediately. World Curling said the decision followed extensive consultation with players, manufacturers and

New AirPods Pro 2 beta firmware available with iOS 26 features

iOS 26 introduces several new AirPods features that are currently being beta tested by developers, and Apple just released a new firmware build for AirPods Pro 2 and AirPods 4 users. Earlier this month, shortly after its WWDC keynote presentation, Apple shipped new beta firmware for AirPods Pro 2 and AirPods 4. The firmware brought the first iOS 26 AirPods features to beta testers, such as sleep detection and camera remote. And for the first time, joining the AirPods beta became as easy as op

This Billionaire Turned a Software Firm Into a $42 Billion Bitcoin Whale

Michael Saylor doesn’t just believe in Bitcoin. He’s betting his entire company on it. On Saturday, the billionaire founder of MicroStrategy, once a sleepy business software firm, announced he had bought another 245 bitcoins for around $26 million, paying an average of $105,856 per coin. That brings MicroStrategy’s Bitcoin holdings to a jaw-dropping 592,345 BTC, acquired for $41.87 billion at an average cost of $70,681 per coin. Saylor posted the update to his 4.4 million followers on X, bragg

Best Mattress Toppers for 2025, Tested by Our Sleep Experts

If you need more time before making your next big mattress decision or you're waiting on that next big sale event -- a mattress topper is a good temporary sleep solution. The right mattress topper can add comfort and enhance your sleep quality -- and for far less than the $1,000 a year many US adults said they'd spend on better rest, per a CNET’s sleep survey. CNET’s sleep experts have been testing mattresses and their toppers for years. We carefully evaluate firmness, feel, construction and wa

Your TV's USB port has an underutilized benefit that can revitalize an old system

Kerry Wan/ZDNET Recently, I wrote about the various uses of the USB ports that come standard on the back or side of any smart TV. In this article, I'm focusing on one particular important use: installing firmware updates using a USB device. Also: How to disable ACR on your TV (and why doing so makes such a big difference) Updates are essential because they ensure your TV has the latest software, features, and security patches. Most smart TVs are designed to automatically check for and install

Multiplier, founded by ex-Stripe exec, nabs $27.5M to fuel AI-powered accounting roll-ups

In late 2022, Noah Pepper, a former Stripe business lead for the Asia Pacific region, founded Multiplier, a startup that aimed to sell software to tax accounts. But soon after ChatGPT was released, he realized that AI can change how professional service firms use technology. “I realized I was barking up the wrong tree by trying to build a SaaS business, and instead I should figure out how to make these people more effective,” he told TechCrunch. The startup acquired Citrine International Tax,

US Supreme Court Upholds Tennessee’s Ban on Gender-Affirming Care for Minors

The US Supreme Court’s conservative majority on Wednesday upheld the state of Tennessee’s ban on gender-affirming care for minors. In a 6–3 decision in United States v. Skrmetti, the justices found that Tennessee’s law is not unconstitutional. The central issue of the case was whether Tennessee’s ban violates the equal protection clause of the 14th Amendment, which states that the government cannot discriminate against individuals based on their race, gender, or other characteristics. The rulin

Silk & Snow S&S Organic Mattress Review: Soft as a Cloud

Right off the bat, I'm letting you know this bed is made of neither silk nor snow. I would argue that it’s made with something even better—latex. The feel of latex can be hard to pinpoint, as I’ve heard it compared to everything from a thicker yoga mat or trampoline to even a waterbed. The fact of the matter is that latex has cushioning, pressure relief, and a bouncy feel. It’s also pretty good at keeping out heat and allergens, which is a win for hot sleepers and those with allergies. With the

Amazon boss says AI will replace jobs at tech giant

Amazon boss says AI will replace jobs at tech giant 7 hours ago Share Save Natalie Sherman Business reporter, BBC News Share Save Getty Images Amazon boss Andy Jassy has told staff to embrace artificial intelligence (AI) and warned the technology will lead to a smaller corporate workforce in the next few years. He shared the prediction in a memo to staff on Tuesday, which urged employees to "be curious about AI". The tech giant is the latest firm to set out its plans for using AI amid concern