News tagged with rule

Uncovering Da Vinci's rule of the trees

As trees shed their foliage this fall, they reveal a mysterious, nearly universal growth pattern first observed by Leonardo da Vinci 500 years ago: a simple yet startling relationship that always holds between ...

Nov 30, 2011 4.7 / 5 (18) 19 | with audio podcast

An unconscionable conscience rule

Doctors take an oath to put their patients' interests first. A new Bush administration rule will change that. The so-called "conscience rule" is one of a host of last-minute regulatory changes being made in the waning hours ...

Dec 26, 2008 4.3 / 5 (13) 22