Kepler-452b revolves around a sun much like our own.
April 20, 1987|
Like lawyers, doctors and other professionals, scientists spend long years educating and preparing themselves for their careers. But unlike other professionals, scientists seem to do their best work early in life, leaving their later years for administration, consultation and other tasks not necessarily connected to their primary task of solving nature's puzzles. In this excerpt from his new collection of essays, A Modern Day Yankee in a Connecticut Court (Viking Penguin, 1986), Alan Lightman, a