Unveiled today at the New Music Seminar in New York City, the Ultimate Chart aims to update ancient methods still used to track the popularity of songs and artists. Rather than basing rankings ...

Many of the clichés of parenthood hold true, but this one does especially: Kids grow up so fast! Before you know it, they’re standing level with your shoulder. To help us truly measure the passage of ...

Learn what the relative strength index (RSI) is, how it works, and how to read overbought and oversold signals, along with the formula behind this popular indicator.

Bug fans will welcome Measure Up! A Bug Contest by Frank Wilson, illus. by Mircea Catusanu, which encourages competitions such as ""The Wall Crawl"" and ""The Deep Dive."" Budding entomologists not ...