Who cooked the food in the Palaeolithic?

Listener to the show, Elaine, wants to know whether her mother, who was a thalidomide baby, might have passed on effect of the drug to her children. Thalidomide was a treatment for morning sickness which caused severe birth differences in children born to mothers who used the drug. James Tytko…

Garth wants to know, given the skin can block water from passing through it, how do certain skin creams allege to permeate into our body? James Tytko took on the question with help from Richard Guy, Professor of Pharmaceutical Sciences at the University of Bath... Like this podcast? Please help…

Garth writes in wanting to know why the prevalence of lactose intolerance is nearly 100% in countries like South Korea, but down in the low single digits in countries like the UK. James Tytko asked Mark Thomas, Professor of Evolutionary Genetics at UCL, for the answer... Like this podcast? Please…

Dan wants to know what the likelihood is of him being here if neither him, his parents, nor his grandparents had had any vaccinations. James Tytko sought to provide an answer, with the help of Helen Bedford, Professor of Children's Health at UCL... Like this podcast? Please help us by…

Thanks to Philippa Browning for the answer! Like this podcast? Please help us by supporting the Naked Scientists