How to Get Enough Vitamin D

Everyone should consider a daily 1,000- to 2,000 IU supplement as insurance, Manson says. That’s especially key for older adults. “As you age, you make less vitamin D from the sun and absorb less from food,” Pittas says. He recommends a 4,000 IU supplement for those with prediabetes. But taking more could lead to muscle…

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Best Window Insulation Kits

The film in window insulation kits doesn’t attach directly to the glass of a window. As long as you shrink the film properly with a blow-dryer, visibility isn’t really affected, so you don’t have to give up your view for a more comfortable home. From my experience, installation takes just 15 to 20 minutes with…

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This Is Why You Should Try Ultralight Backpacking (2025)

I first encountered the ideas of ultralight backpacking in 1994, in an article in now-defunct (and much-missed) Backpacker magazine. It was titled “Less is More,” by Mark Jenkins. (I still have a PDF copy I scanned years ago.) Jenkins wrote about a long trip across Europe and Africa. By the end, he and his traveling…

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Why Minnesota Can’t Do More to Stop ICE

With the marshals under attack, Kennedy deployed first the Mississippi National Guard and then thousands of federal troops as well. (That military operation, codenamed RAPID ROAD, was actually the first and only time during the Cold War that the military activated and used plans it had developed to quell civil disturbances in the wake of…

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Sam Altman Says the GPT-5 Haters Got It All Wrong

OpenAI’s August launch of its GPT-5 large language model was somewhat of a disaster. There were glitches during the livestream, with the model generating charts with obviously inaccurate numbers. In a Reddit AMA with OpenAI employees, users complained that the new model wasn’t friendly, and called for the company to restore the previous version. Most…

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