Changes in gene expression are thought to underlie many of the phenotypic differences between species. However, large-scale analyses of gene expression evolution were until recently prevented by ...

UNESCO is the United Nations agency with the specialized mandate to promote freedom of expression and its corollary freedom of the press and freedom of information. Over the decades, UNESCO has ...

Freedom of expression has been a core element of the history and culture of the University of Chicago since its founding in 1890. Today, UChicago is a global advocate for free expression, working to ...

The facial expression indicating disagreement is universal, researchers say. A furrowed brow, lifted chin and pressed-together lips -- a mix of anger, disgust and contempt -- are used to show negative ...