Here are some websites which have  been recommended by QCA

Acclaim  http://www.qca.org.uk/www.acclaimscientists.org.uk

Science and Nature News (BBC) http://news.bbc.co.uk/1/hi/sci/tech/default.stm

Bioethics Education http://www.beep.ac.uk/content/index.php

Making Sense of Health  http://www.makingsenseofhealth.org.uk/

The Naked Scientists  http://www.thenakedscientists.com/

Science Development Network  http://www.scidev.net/

Science Enhancement Programme http://www.sep.org.uk/

Science in School   http://www.scienceinschool.org/