Making demographic comparisons across datasets and across time requires rigor and consistency in group definitions. Without this, one risks reporting change that is not real. Since some of our ...

Precision brain imaging of individuals with Parkinson’s disease reveals that the affected circuit is best characterized as a previously described network of brain regions called the somato-cognitive ...

Metals are electropositive chemical elements, and as such have a propensity to form cations, which they are found as – often bound in metalloproteins – in living systems. Many metals play important ...

Rural poverty, rapid urbanization, equity, and environmental degradation have placed land at the center of many of the world's pressing challenges. Through analysis of change, testing cutting-edge ...

Majorities in Brazil, Colombia and Peru want leaders who stand up for their religious beliefs. Protestants are especially supportive of Christianity in public life. Twenty-five years after the first ...