The Scientist has asked a group of experts to periodically comment upon recent articles that they have found noteworthy. Their selections, presented here in every Issue, are neither endorsements of content nor the result of systematic searching. Rather, they are personal choices of articles they believe the scientific community as a whole may also find interesting. Reprints of any article. cited here may be ordered through The Genuine Article, 3501 Market Street, Philadelphia, Pa. 19104, or by telephoning (215)386-4899.
BY PETER D. MOORE
Department of Biology
" Africa’s large herbivores have a very patchy distribution pattern over the savanna grasslands on which they graze. High densities are correlated with greater concentrations of certain elements in their forage, particularly magnesium, sodium, and phosphorous.
S.J. McNaughton, “Mineral nutrition and spatial concentrations of African ungulates,” Nature, 334(6180), 343-5,28 July 1988.
" Studying past land-use...