All Biological Processes Involve Water

Life began in water, and every single function of life takes place in an aqueous environment. A profound way of classification in chemistry is the relation and interaction between molecules, or groups within molecules, and water. Molecules (or parts of molecules) can attract water in which case they are called hydrophilic. As the opposite extreme they can strive to avoid water; these molecules or molecular parts are termed hydrophobic. Most biomolecules possess both these properties; they are...

 Twitter, Celebrity, Asymmetric and Symmetric Social Conne...

Asymmetric attention is the key to another important concept, celebrity. Being famous means that a lot of people pay attention to you--after all, by definition it is famous people who appear on the cover of magazines, which are purchased because lots of people want to know what's happening with their favorite celebrities. But the celebrity doesn't, for the the most part, pay any attention to the fans (at least, not individually). Asymmetric attention ties in Twitter allows people like Oprah W...