http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. (PhysOrg.com) -- The fossil record is known to be biased by the unevenness of geographical and stratigraphical sampling, and the lack of exposed rocks containing fossils. In a recent Perspective in Science [2 January 2009] Professor Chris Hawkesworth from the University of Bristol and colleagues suggest that a similar unevenness biases the record of the evolution of the continental crust. http://www.physorg.com/news151164927.html Space & Earth Wed, 14 Jan 2009 14:15:27 EST news151164927