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News, explainers, and analysis about military tech and tactics. By Kyle Gunn Posted 12 Hours Ago By Nicholas Slayton Posted on Feb 10, 2026 By Nicholas Slayton Posted on Feb 9, 2026 By Patty Nieberg ...

The ins-and-outs of life in the military, from enlisting, to staying in shape and deploying, to pay, benefits, housing, and everything between. By Jeff Schogol Posted Yesterday By Patty Nieberg Posted ...

If you live with attention-deficit hyperactivity disorder, or ADHD, you know firsthand how this condition affects your brain. One of the biggest impacts is the way ADHD can make it difficult to ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...

Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.