ScienceDaily for September 1, 2010 reported on fossiles and evolution.
This is especially true of the fossil record of human origins from their primate relatives. Even though early human fossils are immensely rare, and new discoveries make a big splash in the scientific literature and in the media, they sit randomly across the evolutionary tree of early humans. In other words, most discoveries of new fossil species simply fill in gaps in the fossil record that we already knew existed.A World Science article is here.