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Two of this year’s most important evolutions of VR glasses involve increasing their display resolution and reducing their size — changes that Japan Display (JDI) is making possible. The company backed by Sony, Hitachi, and Toshiba announced today that it’s now mass-producing a pair of high-pixel-density screens designed for smaller, …

What’s inside? Here are the questions answered in today’s reader mailbag, boiled down to summaries of five or fewer words. Click on the number to jump straight down to the question.1. Frustrated by advantages of others2. Social Security reduces retirement fears3. Family’s takeout when I’m gone4. Daughter’s 529 is barely …

I’ve long thought the human body was not meant to run on empty, that fasting was done primarily for religious reasons or political protest. Otherwise we needed a reliably renewed source of fuel to function optimally, mentally and emotionally as well as physically. Personal experience reinforced that concept; I’m not …