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Is Nano-Hydroxyapatite Toothpaste an Effective Fluoride Alternative? Dentists Weigh In

Picking the best toothpaste can be a challenge, especially with newer ingredients being added to the market. Nano-hydroxyapatite is a timely example and the star ingredient for popular brands like Boka and Davids. Amidst health concerns around fluoride and Robert F. Kennedy Jr., US Secretary of Health and Human Services, proposing to remove it from public water, nano-hydroxyapatite has been promoted as an effective alternative to fluoride in toothpaste. Many claim that it can repair enamel, prev

Repasting a MacBook

You should repaste your MacBook (but don't) My favorite memory of my M1 Pro MacBook Pro was the whole sensation of “holy crap, you never hear the fans in this thing”, which was very novel in 2021. Four years later, this MacBook Pro is still a delight. It’s the longest I’ve ever owned a laptop, and while I’d love to pick up the new M4 goodness, this dang thing still seems to just shrug at basically anything I throw at it. Video editing, code compiling, CAD models, the works. (My desire to updat

Repaste Your MacBook

You should repaste your MacBook (but don't) My favorite memory of my M1 Pro MacBook Pro was the whole sensation of “holy crap, you never hear the fans in this thing”, which was very novel in 2021. Four years later, this MacBook Pro is still a delight. It’s the longest I’ve ever owned a laptop, and while I’d love to pick up the new M4 goodness, this dang thing still seems to just shrug at basically anything I throw at it. Video editing, code compiling, CAD models, the works. (My desire to updat

Repaste Your MacBook (But Don't)

You should repaste your MacBook (but don't) My favorite memory of my M1 Pro MacBook Pro was the whole sensation of “holy crap, you never hear the fans in this thing”, which was very novel in 2021. Four years later, this MacBook Pro is still a delight. It’s the longest I’ve ever owned a laptop, and while I’d love to pick up the new M4 goodness, this dang thing still seems to just shrug at basically anything I throw at it. Video editing, code compiling, CAD models, the works. (My desire to updat

Inside the US power struggle over coal

But the Trump administration wants to keep coal power alive, and the US Department of Energy recently ordered some plants to stay open past their scheduled closures. Here’s why there’s a power struggle over coal. Coal used to be king in the US, but the country has dramatically reduced its dependence on the fuel over the past two decades. It accounted for about 20% of the electricity generated in 2024, down from roughly half in 2000. While the demise of coal has been great for US emissions, the

Microsoft accidentally swapped Windows 11’s startup sound with Vista’s

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. If you’ve been having flashbacks to 2007 while using your PC over the past few days, you’re not alone. Microsoft has mistakenly replaced Windows 11’s boot sound — in test versions of the OS — with the startup chime from Windows Vista. Windows testers started noticing the issue shortly after Microsoft released its latest Dev Channel build of Windows 11 on Friday afternoon. The

Twitch caps streamers’ storage at 100 hours of highlights and uploads

Twitch on Wednesday announced it will begin limiting streamers to 100 hours of highlights and uploads, and will delete content if a channel exceeds the limit. The company said it’s introducing the change because highlights haven’t been effective in driving discovery or engagement, and because storage is costly. The storage cap goes into effect on April 19. The change applies to highlights, which are snippets edited from a channel’s past broadcasts, as well as other uploaded content. Clips and