Hidden risks like screen time, lifestyle habits, and early eye symptoms can harm your vision. Experts share tips to protect ...

From virtual check-ups to AI-powered diagnostics, technology is quietly reshaping how underserved families access healthcare.

Understand and code the R² metric (goodness of fit) in C++. A must-know concept for evaluating regression models.

Can we reveal objects that are hidden in environments completely opaque to the human eye? With conventional imaging ...

Understanding Fiber Optic Technology At its heart, fiber optic technology is a marvel of physics and engineering.

ALC's UNITY VCS shows faster, more efficient cataract and vitreoretinal surgery results, lifting shares after study presentations.

Abstract: Gradient index lens antennas find their application in modern wireless communication including radar systems, satellite communication, etc. They can ensure highly directional beamforming, ...

To read more of The Economist’s data journalism visit our Graphic detail page. FOR THE second year running living conditions have not improved in cities around the world, according to the latest ...

BMI is an estimate of body composition based on weight and height. For people of any sex, a moderate BMI is usually 18.5 to 24.9. People who know their weight and height can use a calculator to work ...

To calculate a price-weighted average, sum the stock prices and divide by the number of stocks. This average reflects changes in higher-priced stocks more than lower-priced ones. Use price-weighted ...

David Lavie is a writer and editor with two decades' experience in marketing communications, equity research and publishing. He is a founding partner in Quartet Communications, where, as Head of ...