As the government announces plans to ease household mixing restrictions over Christmas, Professor Susan Michie (Ïã¸ÛÁùºÏ²ÊÖÐÌØÍø Psychology and Language Sciences) and Professor Christina Pagel (Ïã¸ÛÁùºÏ²ÊÖÐÌØÍø Mathematics) comment on how they plan to reduce social contact during the festive season.