Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you repeatedly halve one number and double the other. After crossing out rows with ...

Counties are colored red or blue when the % expected vote reporting reaches a set threshold. This threshold varies by state and is based on patterns of past vote reporting and expectations about how ...

Christopher Groux is an editor, writer and accessibility advocate. Before joining the Forbes Health team, he covered Accessibility at Reviewed and gaming at Inverse and Newsweek. When he’s not ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Carbon capture and storage (CCS) is the process of separating and storing carbon dioxide emitted during certain industrial processes Greg Daugherty has worked 25+ years as an editor and writer for ...

Eating hydrating foods and reducing salt intake can help reduce excess water weight. Poor circulation, certain medications, pregnancy, and menstruation can cause water weight gain. Sometimes, swelling ...

Since Philadelphia is arranged on a grid system, the mostly one-way roads are easy to navigate. Helpful maps are posted along street corners across the city – watch for the "Walk! Philadelphia" signs ...

The Matrix collection depicts a complex science fiction story incorporating many philosophical elements. Written and directed by the Wachowskis and produced by Joel Silver.

CU Boulder is committed to making information available via assistive technologies. The campus map has known issues with certain assistive technologies that we are working with the supplier to resolve ...

If you make a purchase from our site, we may earn a commission. This does not affect the quality or independence of our editorial content. Rome and Tokyo top world's best vacations; natural wonders ...