Most scientists seem to concur that the human genome sequence isn't quite as complete as the "genome completed!" announcements over the past several years might indicate. So this Scientific American story might lose its surprise factor, but the meat of the article is still interesting -- it covers the latest research from Eichler et al. on genetic variation and how that work is turning up genes that were never predicted. "Eichler believes that the findings gleaned from these eight genomes -- and 17 others that he plans to analyze -- could help fill in gaps in the reference genome," the article reports.