The central limit theorem started as a bar trick for 18th-century gamblers. Now scientists rely on it every day.

As of the close on March 11, the S&P 500 is just a short distance from its central mean trendline. Which is to say the level ...

Across Zimbabwe, many girls navigate adolescence in silence coping with menstrual pain, irregular cycles, limited access to sanitary products and little access to sexual and reproductive health ...

In August 2017, Mohamed Labidi, then president of the Islamic Cultural Centre, had his car torched while it sat outside his home. Police told Le Journal de Montréal that the attack “had the character ...

Maximize retirement savings as a high earner: prioritize 401(k) match, then Roth and taxable accounts, plus Solo 401(k)/SEP IRA options—learn the ...

Engineers leverage both device-specific and tool-level data to identify a process “sweet spot.” Tight, frequent tool-to-tool matching enables greater yield and fab flexibility. Machine learning helps ...

China’s new tea strategy is easily misunderstood if viewed only through the lens of production statistics. | After dominating global tea production for decades, China is launching an ambitious ...

Beyond its methodological contribution, the study offers new insights into how stimulus-driven variability and internally generated gain fluctuations evolve over time and between brain areas. The ...

No bad luck here—just lots of fascinating math that explains why the 13th of a month so often falls on a Friday ...

There are some instances where you can lose your Social Security benefits (or have them reduced). We cover those in this ...

Pew Research Center is a nonpartisan, nonadvocacy fact tank that informs the public about the issues, attitudes and trends shaping the world.