Mucins are glycoproteins expressed by epithelial tissues of mucosal surfaces. Mucins are classified as either secretory or membrane spanning, and the ocular epithelium contain both types. Since the mid-1990s, a large number of mucin (MUC) genes have been identified: MUC1, MUC2, MUC4, MUC5A, MUC5B, MUC7MUC13, MUC15, MUC16 and MUC17.

Even small children are smart enough to get it: the environment, clean air and water matters where public health is concerned. According to Kathleen Rest, PhD, the executive director of the Union of Concerned Scientists, "Families and communities country-wide clearly value a clean environment and rely on strong science-based public standards to provide the protection they need, expect, and deserve."

One of the best ways to improve any creative process is to study those who have mastered their craft. We frequently turn to a favorite newsletter writer, Gregory Ciotti, for process answers, since the output of creative geniuses is frequently intimidating, even thought relating to how creative geniuses conduct their lives is often surprisingly easy.