A roundup of the most-read Carolyn Hax columns of 2025 includes a woman’s birthday obsession, a flight-tracking in-law and a petty inheritance decision. Carolyn Hax writes a daily advice column for ...

Peggy Noonan is an opinion columnist at the Wall Street Journal where her column, "Declarations," has run since 2000. She was awarded the Pulitzer Prize for Commentary in 2017. A political analyst for ...

Molecular dynamics is a method that uses Newton’s equations of motion to computationally simulate the time evolution of a set of interacting atoms. Such techniques are dependent on a description of ...

The sense of accomplishment after successfully completing a simulation game is difficult to put into words. It makes an expert out of you, of some of the world’s toughest jobs and responsibilities.

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