Very complex protein making machines:-"The ribosome has more than 50 different parts ... it has the complexity of a sewing machine in terms of the number of parts," said University of Illinois physics professor Taekjip Ha, who led the research with U. of I. chemistry professor Zaida Luthey-Schulten and Johns Hopkins University biophysics professor Sarah Woodson. "A sewing machine assembles other things but it cannot assemble itself if you have the parts lying around," Ha said. "The ribosome, however, can do that. It's quite amazing."- Read more at: http://phys.org/news/2014-02-advanced-techniques-yield-insights-ribosome.html#jCp