Science, founded by Thomas A. Edison in 1880 and published by AAAS, today ranks as the world's largest circulation general science journal. Published 51 times a year, Science is renowned for its ...

THE endogenous fæcal excretion of calcium and magnesium is derived from the various digestive secretions and the desquamated epithelial cells of the alimentary tract. The relative proportions of these ...

Watching an animal eat and subsequently grow right before your eyes is one of the most fascinating things in life. Many of our livestock breeds including cattle sheep and goats digest their feed ...