Discover how to accurately calculate beta in Excel, understand its importance in finance, and ensure consistency by choosing the correct time periods for data analysis.

When Pope Francis died in April on Easter Monday, the news triggered not only an outpouring of mourners but also a ...

Where every known method of divination seemed to fail, a group of researchers at Bocconi University in Milan found a hint in ...

When I first encountered the idea of “aura points” — TikTok lexicon that took off in the late spring of 2024, meaning it’s basically an archival trend now — I’ll admit it. I went for the bait. Bless ...

Artificial intelligence systems are thirsty, consuming as much as 500 milliliters of water – a single-serving water bottle – for each short conversation a user has with the GPT-3 version of OpenAI’s ...

M. L. Pei [Comm. ACM 5, 10 (Oct. 1962)] gave an explicit inverse for a matrix of the form M + &dgr;I, where M is an n-square matrix of ones and &dgr; is a nonzero parameter. The eigenvalues of the Pei ...

An asteroid is the most likely reason the dinosaurs went extinct—but could something similar happen to us? A new study has compared the likelihood of a devastating asteroid impact to other causes of ...

This important study shows a surprising scale-invariance of the covariance spectrum of large-scale recordings in the zebrafish brain in vivo. A convincing analysis demonstrates that a Euclidean random ...

1 College of Computer Science and Engineering, Changsha University, Changsha, Hunan, China 2 Department of Information and Computing Science, College of Mathematics, Changsha University, Changsha, ...

One of the most convenient new iOS 18 Calculator tricks is the ability to convert currency or units on your iPhone, no unit converter app needed! Here's how to use the unit converter on your iPhone ...