Today we will be going for gold in more ways than one.

Inga Doak, the Head of Sustainability at The Royal Mint, reveals how the company plan to ‘urban mine’ gold from household electronic waste and turn it into jewellery. But with tens of millions of tonnes of e-waste piling up every year, the environment policy adviser at the Royal Society of Chemistry, Izzi Monk unpacks how the UK can clean up its act.

Vic puts her stable boots on to visit some very pampered thoroughbred foals to find out what their poo can reveal about their future success on the racecourse.

From horses to humanity, sports geneticist Alun Williams discusses how our genetic make-up could determine whether or not we are destined for gold at the Olympics.

Plus, Roland Pease channels his inner child to investigate his youthful obsession with Mars as NASA looks for new microbial life on the red planet.

Presenter: Victoria Gill Producers: Ben Mitchell and Ella Hubber Editor: Martin Smith Production Co-ordinator: Jana Bennett-Holesworth