How do baby animals (and humans) instinctively know how to suckle when they're born? What purpose do mosquitos have in the ecosystem? How long does a species have to be isolated for it to be considered a 'new' species?

Dr Karl is joined by founder of Deadly Science and proud Gamilaaray man, Corey Tutt to answer these questions and more. Hosted by Lucy Smith on triple j Mornings.