The Harvard Museum of Natural History hosts a lecture by Janet Browne at 6:00 pm in the Geological Lecture Hall, 24 Oxford Street.  On February 12, cities and universities around the world celebrate “Darwin Day.” But what is being celebrated, the achievements of a single individual or the acceptance of his controversial theory of evolution?  Ms. Browne is Aramont Professor of the History of Science, and will explore Charles Darwin’s cultural significance and what he has come to represent over time: the idea of scientific progress.  Free and open to the public.  For additional events, log on to www.hmnh.harvard.edu/lectures-classes-events/darwinyear.html.