The Dartmouth researchers acknowledge that their findings are unexpected, and some experts say more work is needed to sort out cause from effect.

Steve Lohr of The Times explains how a new software tool from Dartmouth researchers reveals just how radically digital photographs have been altered and Patrick Carter of Digital Folio discusses his company's application for dynamic comparison shopping.

The Dartmouth researchers concluded that if unwarranted variation were eliminated, the quality of care would increase and health care savings up to 30% would be possible - a statistic that has been often repeated in the case for CER.

The proposed study differs from the one reported on today by the Dartmouth researchers.

Dartmouth researchers have come up with a way to rate hospital efficiency, including for costs in the last year of patients' lives.

He was easier to relate to, especially since she and the renowned Dartmouth researcher had been born, frozen, and revived at roughly the same times.

Elyria's statistics have stood out at least since 1998, according to the Dartmouth researchers.

Residents of Lafayette had more than twice the national rate of angioplasties in 2003, the second highest in the country behind Elyria, according to the Dartmouth researchers.

A recent study by Dartmouth researchers argues that close to a third of the $1.6 trillion we now spend on health care goes to care that is duplicative, fails to improve patient health or may even make it worse.