Next weekend will be the 186th convention of the National Puzzlers' League, in Bloomington, Ind., which I'll be attending as always. Two other people who will be there are Henri Picciotto and Joshua ...

What is the military alphabet, and how do you use it? This military phonetic alphabet solves what can be a major problem with real combat impacts. Did you know that there is a military alphabet? This ...

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Your Wordle opener can have a bigger impact than you might think. While plenty of players stick with familiar starting words like “TRAIN” or “CLOSE,” relying on the same guess every day isn’t ...

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Targeting star systems identified by Kepler Space Telescope (especially those in habitable-zone candidate planets). Surveying a region near the Milky Way’s Galactic Center (where stellar density is ...

We visited this man’s grave in Riverside Cemetery. Surprisingly, no ribbons, no epitaph, no note of what he had done, just one plastic flower leaning on its side and a single pebble placed on the top.

In a single experiment, physicists have measured the "excess" emission of high-energy gamma rays from more than a dozen heavy, unstable atomic nuclei. Mapping the gamma-ray emissions of so many ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas ...