The South American Platform is defined as the stable continental portion of the South American
plate not affected by the Phanerozoic — Caribbean and Andean — orogenic zones. It is …

The territory of Brazil coincides almost entirely with the South American Platform, the crystalline
core of the continent. Its basement is composed of ancient metamorphic and igneous …

Closely related RNA silencing phenomena such as posttranscriptional and transcriptional
gene silencing (PTGS and TGS), quelling and RNA interference (RNAi) represent different …

We model a firm's demand for liquidity to develop a new test of the effect of financial
constraints on corporate policies. The effect of financial constraints is captured by the firm's …

DE ALMEIDA La Spinalba ovvero Il vecchio matto … Little is known about the life of
Francisco António de Almeida, but he occupied a central position in Portuguese life in the …

The functional Fourier transform (FRFT), which is a generalization of the classical Fourier
transform, was introduced a number of years ago in the mathematics literature but appears to …

The composition of the human gut microbiota is linked to health and disease, but knowledge
of individual microbial species is needed to decipher their biological roles. Despite …

Most current approaches for analyzing metagenomic data rely on comparisons to reference
genomes, but the microbial diversity of many environments extends far beyond what is …

Stressors encountered in daily life, such as family arguments or work deadlines, may play
an important role in individual health and well-being. This article presents a framework for …

The first matrix metalloproteinase (MMP) was discovered in 1962 from the tail of a tadpole
by its ability to degrade collagen. As their name suggests, matrix metalloproteinases are …