A preliminary synthesis of evolutionary studies of certain morphological and ethological
characters in the ant tribe Dacetini is given. A primary trend inferred from the study of living …

Md ODERN population systematics rests on the assumption that species arise when a
parent population is divided into geographical fractions, each isolated from the next by …

Describing all of Colombia's birds, Steven Hilty and William Brown bring together information
on one of the world's largest avifaunas-nearly 1,700 species. Over half of all the species of …

T IS the purpose of the present paper to discuss a seldom-recognized and poorly known
speciation phenomenon that we consider to be of potential major significance in animal …

LEVEN years ago, Mayr summed up and co-ordinated in his Systematics and the Origin of
Species the taxonomic principles and methods that had gradually come to be recognized as …

We executed a genome-wide association scan for age-related macular degeneration (AMD)
in 2,157 cases and 1,150 controls. Our results validate AMD susceptibility loci near CFH (P …

'Is politics gendered? Wendy Brown things so, and argues for this point with elegance,
imagination and pungent phrases. Brown's book is challenging, provocative and... original; it does …

Several mutations are required for cancer development, and genome sequencing has revealed
that many cancers, including breast cancer, have somatic mutation spectra dominated …

Chemical messengers include hormones, pheromones, allomones, and kairomones.
Allomones evoke, in organisms receiving them, responses that favor the source species; …

APOBEC3G (CEM15 [1]) deaminates cytosine to uracil in nascent retroviral cDNA [2–5]. The
potency of this cellular defense is evidenced by a dramatic reduction in viral infectivity and …