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) -- PhD student, Dennis van den Broek, of the University of Twente, Netherlands, has developed a new type of miniature motor, the micro-bubble actuator. This ‘motor`, which can be used in laboratories the size of a chip, for instance, converts the energy released during explosive evaporation into motion. Van den Broek will be defending his PhD on 31 October at the Faculty of Electrical Engineering, Mathematics and Computer Science (EEMCS). http://www.physorg.com/news144602500.html Chemistry Thu, 30 Oct 2008 16:21:40 EST news144602500 Although younger people are becoming more positive towards surrogate mothers, current day attitudes to surrogacy are still broadly negative, a scientist will tell the 24th annual conference of the European Society of Human Reproduction and Embryology tomorrow (Monday 7 July). Professor Olga van den Akker, from the Department of Psychology, Middlesex University, Hendon, London, UK, will say that previous stigmatisation of surrogate mothers in the media had added to the reluctance to undertake this treatment option. http://www.physorg.com/news134617844.html Medicine & Health Mon, 07 Jul 2008 02:50:44 EST news134617844