Popular gut probiotic completely craps out in randomized controlled trial

If you’re familiar with the history of Activia, you may not be surprised.

Any striking marketing claims in companies' ads about the gut benefits of a popular probiotic may be full of, well, the same thing that has their target audience backed up.

In a randomized controlled trial, the probiotic Bifidobacterium animalis subsp. lactis—used in many probiotic products, including Dannon's Activia yogurts—did nothing to improve bowel health in people with constipation, according to data from a randomized triple-blind placebo-controlled clinical trial published Wednesday in JAMA Network Open.

The study adds to a mixed and mostly unconvincing body of scientific literature on the bowel benefits of the bacterium, substrains of which are sometimes sold with faux scientific-sounding names in products. Dannon, for instance, previously marketed its substrain, DN-173 010, as "Bifidus regularis."

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Elon Musk claims victory after judge blocks Calif. deepfake law

Parody video creator joined Musk in “war” to block California deepfake law.

Upholding the First Amendment, a senior US district judge has blocked California's deepfakes law, AB 2839, which was designed to stop deceptive AI-generated content from impacting election outcomes.

Last month, a parody video creator known as "Mr Reagan" on YouTube and X (formerly Twitter), Christopher Kohls, sued to block the law. He claimed that AB 2839 was unconstitutionally targeting his protected satirical content—including a fake Kamala Harris video that Elon Musk retweeted, agitating California governor Gavin Newsom.

Kohls urged Judge John Mendez to grant a preliminary injunction, arguing that the law was unconstitutionally vague and allowed anyone who watched his parody videos to sue him, claiming they'd been deceived by his content.

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Elon Musk claims victory after judge blocks Calif. deepfake law

Parody video creator joined Musk in “war” to block California deepfake law.

Upholding the First Amendment, a senior US district judge has blocked California's deepfakes law, AB 2839, which was designed to stop deceptive AI-generated content from impacting election outcomes.

Last month, a parody video creator known as "Mr Reagan" on YouTube and X (formerly Twitter), Christopher Kohls, sued to block the law. He claimed that AB 2839 was unconstitutionally targeting his protected satirical content—including a fake Kamala Harris video that Elon Musk retweeted, agitating California governor Gavin Newsom.

Kohls urged Judge John Mendez to grant a preliminary injunction, arguing that the law was unconstitutionally vague and allowed anyone who watched his parody videos to sue him, claiming they'd been deceived by his content.

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ULA hasn’t given up on developing a long-lived cryogenic space tug

On Friday’s launch, United Launch Alliance will test the limits of its Centaur upper stage.

The second flight of United Launch Alliance's Vulcan rocket, planned for Friday morning, has a primary goal of validating the launcher's reliability for delivering critical US military satellites to orbit.

Tory Bruno, ULA's chief executive, told reporters Wednesday that he is "supremely confident" the Vulcan rocket will succeed in accomplishing that objective. The Vulcan's second test flight, known as Cert-2, follows a near-flawless debut launch of ULA's new rocket on January 8.

“As I come up on Cert-2, I’m pretty darn confident I’m going to have a good day on Friday, knock on wood," Bruno said. "These are very powerful, complicated machines."

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ULA hasn’t given up on developing a long-lived cryogenic space tug

On Friday’s launch, United Launch Alliance will test the limits of its Centaur upper stage.

The second flight of United Launch Alliance's Vulcan rocket, planned for Friday morning, has a primary goal of validating the launcher's reliability for delivering critical US military satellites to orbit.

Tory Bruno, ULA's chief executive, told reporters Wednesday that he is "supremely confident" the Vulcan rocket will succeed in accomplishing that objective. The Vulcan's second test flight, known as Cert-2, follows a near-flawless debut launch of ULA's new rocket on January 8.

“As I come up on Cert-2, I’m pretty darn confident I’m going to have a good day on Friday, knock on wood," Bruno said. "These are very powerful, complicated machines."

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Bazzite is the next best thing to SteamOS while we wait on Valve

Bazzite has tackled drivers, inputs, and updating, so you can just play games.

I was on vacation last week, the kind of vacation in which entire days had no particular plan. I had brought the ROG Ally X with me, and, with the review done and Windows still annoying me, I looked around at the DIY scene, wondering if things had changed since my last foray into DIY Steam Deck cloning.

Things had changed for the better. I tried out Bazzite, and after dealing with the typical Linux installation tasks—activating the BIOS shortcut, turning off Secure Boot, partitioning—I had the Steam Deck-like experience I had sought on this more powerful handheld. Since I installed Bazzite, I have not had to mess with drivers, hook up to a monitor and keyboard for desktop mode, or do anything other than play games.

Until Valve officially makes SteamOS available for the ROG Ally and (maybe) other handhelds, Bazzite is definitely worth a look for anyone who thinks their handheld could do better.

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Bazzite is the next best thing to SteamOS while we wait on Valve

Bazzite has tackled drivers, inputs, and updating, so you can just play games.

I was on vacation last week, the kind of vacation in which entire days had no particular plan. I had brought the ROG Ally X with me, and, with the review done and Windows still annoying me, I looked around at the DIY scene, wondering if things had changed since my last foray into DIY Steam Deck cloning.

Things had changed for the better. I tried out Bazzite, and after dealing with the typical Linux installation tasks—activating the BIOS shortcut, turning off Secure Boot, partitioning—I had the Steam Deck-like experience I had sought on this more powerful handheld. Since I installed Bazzite, I have not had to mess with drivers, hook up to a monitor and keyboard for desktop mode, or do anything other than play games.

Until Valve officially makes SteamOS available for the ROG Ally and (maybe) other handhelds, Bazzite is definitely worth a look for anyone who thinks their handheld could do better.

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Bazzite is the next best thing to SteamOS while we wait on Valve

Bazzite has tackled drivers, inputs, and updating, so you can just play games.

I was on vacation last week, the kind of vacation in which entire days had no particular plan. I had brought the ROG Ally X with me, and, with the review done and Windows still annoying me, I looked around at the DIY scene, wondering if things had changed since my last foray into DIY Steam Deck cloning.

Things had changed for the better. I tried out Bazzite, and after dealing with the typical Linux installation tasks—activating the BIOS shortcut, turning off Secure Boot, partitioning—I had the Steam Deck-like experience I had sought on this more powerful handheld. Since I installed Bazzite, I have not had to mess with drivers, hook up to a monitor and keyboard for desktop mode, or do anything other than play games.

Until Valve officially makes SteamOS available for the ROG Ally and (maybe) other handhelds, Bazzite is definitely worth a look for anyone who thinks their handheld could do better.

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Microsoft’s new “Copilot Vision” AI experiment can see what you browse

Microsoft brings two new opt-in trial features to some users of its Copilot AI-assistant.

On Monday, Microsoft unveiled updates to its consumer AI assistant Copilot, introducing two new experimental features for a limited group of $20/month Copilot Pro subscribers: Copilot Labs and Copilot Vision. Labs integrates OpenAI's latest o1 "reasoning" model, and Vision allows Copilot to see what you're browsing in Edge.

Microsoft says Copilot Labs will serve as a testing ground for Microsoft's latest AI tools before they see wider release. The company describes it as offering "a glimpse into 'work-in-progress' projects." The first feature available in Labs is called "Think Deeper," and it uses step-by-step processing to solve more complex problems than the regular Copilot. Think Deeper is Microsoft's version of OpenAI's new o1-preview and o1-mini AI models, and it has so far rolled out to some Copilot Pro users in Australia, Canada, New Zealand, the UK, and the US.

Copilot Vision is an entirely different beast. The new feature aims to give the AI assistant a visual window into what you're doing within the Microsoft Edge browser. When enabled, Copilot can "understand the page you're viewing and answer questions about its content," according to Microsoft.

Microsoft's Copilot Vision promo video.

The company positions Copilot Vision as a way to provide more natural interactions and task assistance beyond text-based prompts, but it will likely raise privacy concerns. As a result, Microsoft says that Copilot Vision is entirely opt-in and that no audio, images, text, or conversations from Vision will be stored or used for training. The company is also initially limiting Vision's use to a pre-approved list of websites, blocking it on paywalled and sensitive content.

The rollout of these features appears gradual, with Microsoft noting that it wants to balance "pioneering features and a deep sense of responsibility." The company said it will be "listening carefully" to user feedback as it expands access to the new capabilities. Microsoft has not provided a timeline for wider availability of either feature.

Mustafa Suleyman, chief executive of Microsoft AI, told Reuters that he sees Copilot as an "ever-present confidant" that could potentially learn from users' various Microsoft-connected devices and documents, with permission. He also mentioned that Microsoft co-founder Bill Gates has shown particular interest in Copilot's potential to read and parse emails.

But judging by the visceral reaction to Microsoft's Recall feature, which keeps a record of everything you do on your PC so an AI model can recall it later, privacy-sensitive users may not appreciate having an AI assistant monitor their activities—especially if those features send user data to the cloud for processing.

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Microsoft’s new “Copilot Vision” AI experiment can see what you browse

Microsoft brings two new opt-in trial features to some users of its Copilot AI-assistant.

On Monday, Microsoft unveiled updates to its consumer AI assistant Copilot, introducing two new experimental features for a limited group of $20/month Copilot Pro subscribers: Copilot Labs and Copilot Vision. Labs integrates OpenAI's latest o1 "reasoning" model, and Vision allows Copilot to see what you're browsing in Edge.

Microsoft says Copilot Labs will serve as a testing ground for Microsoft's latest AI tools before they see wider release. The company describes it as offering "a glimpse into 'work-in-progress' projects." The first feature available in Labs is called "Think Deeper," and it uses step-by-step processing to solve more complex problems than the regular Copilot. Think Deeper is Microsoft's version of OpenAI's new o1-preview and o1-mini AI models, and it has so far rolled out to some Copilot Pro users in Australia, Canada, New Zealand, the UK, and the US.

Copilot Vision is an entirely different beast. The new feature aims to give the AI assistant a visual window into what you're doing within the Microsoft Edge browser. When enabled, Copilot can "understand the page you're viewing and answer questions about its content," according to Microsoft.

Microsoft's Copilot Vision promo video.

The company positions Copilot Vision as a way to provide more natural interactions and task assistance beyond text-based prompts, but it will likely raise privacy concerns. As a result, Microsoft says that Copilot Vision is entirely opt-in and that no audio, images, text, or conversations from Vision will be stored or used for training. The company is also initially limiting Vision's use to a pre-approved list of websites, blocking it on paywalled and sensitive content.

The rollout of these features appears gradual, with Microsoft noting that it wants to balance "pioneering features and a deep sense of responsibility." The company said it will be "listening carefully" to user feedback as it expands access to the new capabilities. Microsoft has not provided a timeline for wider availability of either feature.

Mustafa Suleyman, chief executive of Microsoft AI, told Reuters that he sees Copilot as an "ever-present confidant" that could potentially learn from users' various Microsoft-connected devices and documents, with permission. He also mentioned that Microsoft co-founder Bill Gates has shown particular interest in Copilot's potential to read and parse emails.

But judging by the visceral reaction to Microsoft's Recall feature, which keeps a record of everything you do on your PC so an AI model can recall it later, privacy-sensitive users may not appreciate having an AI assistant monitor their activities—especially if those features send user data to the cloud for processing.

Read full article

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