New research reveals mammals were abandoning trees millions of years before the asteroid hit changing everything we know about their survival. The Great Mammal Migration: From Trees to Terrain For ...

AN article by Dr. P. Maheshwari from Current Science of June last, entitled “Progress of Work in India on the Embryology of Angiosperms”, reviews the considerable amount of research already ...

American Journal of Botany, Vol. 3, No. 1 (Jan., 1916), pp. 24-39 (16 pages) There is a very clearly marked correlation between leaf-margin and environment in the distribution of Dicotyledons in the ...