Dr Karl is currently the Julius Sumner Miller Fellow at Sydney University, where his 'mission' is to spread the good word about science and its benefits.
Karl has degrees in Physics and Maths, Biomedical Engineering, Medicine and Surgery and has worked as a physicist, tutor, film-maker, car mechanic, labourer, and as a medical doctor at the Kids' Hospital in Sydney.
Follow Karl on Twitter here - @DoctorKarl
Check out Karl's books here
Watch Triple J Science Questions videos here
