A 'crazy' dice proof leads to a new understanding of a fundamental law of physics

Right now, molecules in the air are moving around you in chaotic and unpredictable ways. To make sense of such systems, physicists use a law known as the Boltzmann distribution, which, rather than ...
NBC Olympics

German Philipp Raimund soars to Olympic normal hill gold

Germany's Philipp Raimund leapt to Olympic gold in the men's individual normal hill contest at Milan Cortina 2026.
Investopedia

What Is Variance in Statistics? Definition, Formula, and Example

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Nature

Multi-stage selection for genetic gain

Birnbaum, Z W, and Meyer, P L. 1953. On the effect of truncation in some or all co-ordinates of a multi-normal population. J Indian Soc Agric Statist 5, 17–28.