Catherine WhitlockCatherine Whitlock is a freelance writer who has written for numerous magazines and websites including the Wellcome Trust and Nature Publishing Group. She is a chartered biologist and a member of the British Society for Immunology and the Associationof British Science Writers. She has a diploma in science communication from Birkbeck College, University of London-as well as a PhD in immunology. Catherine lives in Kent with her husband and three children. Read More Read Less