Edge invited leading psychologists, physicists, biologists, economists (and other ists) and even a couple of business people, writers and other riff-raff to submit their their formulae for the 21st century. They vary from the sublime to the ridiculous.
Samuel Barondes, Neurobiologist and Psychiatrist: Life = Stories
Ernst Poepple, neuroscientist: A=A, visit the link for clarification
Michael Shermer, publisher of Skeptic has computed the number of civilizations in our galaxy as 3.35, he gives no error rate nor does he offer any description of what .35 of a civilization might look like.
Neil Shubin, paleontologist: (Optimism x Perseverance) -Failure = Scientific Progress
Here are two more- visit the link for all the rest, it's a lot of fun.