Many a management manual is built around case studies and data analysis. But the epiphany that grew into this book came to Peter Senge one morning while meditating. Senge, who founded the Center for Organizational Learning at MIT's Sloan School of Management, developed five essential disciplines of a true "learning organization," which is one that continually improves (and stays competitive) by helping its members learn. The first four disciplines focus on developing individual focus, building a shared vision, and communicating as a team.

Over the past ten years, Jill Nelson, 52, a health coach, personal trainer and counselor in Chicago, has received at least seven computed tomography (CT) scans and close to 30 sets of X-rays for a variety of health ailments—from two separate disk fusions in her spine to a worrisome-looking spot on her lung. That’s on top of the 10 or so mammograms she has had since age 35, plus dozens of dental X-rays.

Tina Fineberg / Bloomberg / Getty Images UPDATE, 3:30 p.m.: Multiple news outlets are reporting that Hostess and the company’s second-largest union have agreed to mediation, possibly avoiding liquidation. News reports that Hostess Brands will file for bankruptcy and plans to sell off iconic American brands like Wonder Bread and Twinkies have mostly centered on the debilitating fight between the company and one of its largest unions. But there’s a bigger reason Hostess is disappearing.

January 22, 2016 11:23 AM EST It’s been 23 years since David Duchovny and Gillian Anderson first played Fox Mulder and Dana Scully, detectives who investigate the paranormal, the bizarre and the downright scary on The X-Files. Fans of the show will reunite with the characters this winter when the show returns for a limited series on Fox. And while some things have been slow to change since 1993—like the fact that the Emmy-winning Anderson was offered half of Duchovny’s pay for the revival—the duo’s style has certainly undergone a transformation.

A Los Angeles mansion is on the market for $245 million, making it the most expensive house for sale in the US — and about 960 times more expensive than the typical American home. Sitting on nearly 11 acres, the main home of the Chartwell Estate was designed by Sumner Spaulding in 1930, according to the listing. In the 1980s, the mansion's interiors were renovated by designer Henri Samuel — but no recent photos have been released, keeping the inside of the home a mystery.