lunedì 30 giugno 2014

NYT Science: Shell Game

Shell Game
By C. CLAIBORNE RAY

Powdered eggshells can be a useful source of dietary calcium, comparable to a supplement, but crunching on coarse bits will probably not have much nutritional effect.

Published: July 1, 2014 at 4:00AM

via NYT Science http://ift.tt/1iOxBty