Later in this episode, Tim flies solo in the wake of Syma's imminent departure for duties on the west coast of the US!
Tim's guests are Ivan Vinogradov and Michael Jennions, both of the Australian National University, and co-authors of the scientific paper 'Paternity analysis reveals sexual selection on cognitive performance in mosquitofish".
It would appear that smarter male fish are more likely to mate and produce more offspring! How on earth could this be true?!!
Join Tim, Ivan and Michael to find out.
Link to the paper - https://www.nature.com/articles/s41559-025-02645-3