Thanaphat Thongpaibool, a PhD student in the Psychology Department at Otago, talks about his work on decision making, and how you might not decide things in quite the way you think you do.

In this, the 200th episode of the show, Megha Sethi, a Masters student in Zoology, talks about her studies on how the decrease in water levels in rivers that feed irrigation schemes impacts on the invertebrate communities that call the rivers home.

Host Dave McMorran talks about the research of German chemist Walther Nernst, whose work on thermodynamics and the properties of electrochemical systems won him the 1920 Nobel Prize in Chemistry.

Host Dave McMorran talks about the work of Richard Willstäter, the German chemist who isolated coloured compounds in plants such as chlorophyll, for which he received the 1915 Nobel Prize in Chemistry.

Nick Kelly, a Masters student in Wildlife Management, talks about his work on assessing the economic viability of different predator management options in the McKenzie basin in New Zealand’s South Island.

Host Dave McMorran talks about the work of Theodore Richards, the American chemistry who won the 1914 Nobel Prize for Chemistry for his work on measuring the weights of the elements.

Host Dave McMorran talks about the work of Alfred Werner, the German chemistry who invented the field of metal coordination chemistry, for which he was awarded the 1913 Nobel Prize for Chemistry.

Marin Milotic, a PhD student in the Zoology Department, talks about his research into the unglamorous world of parasites.

Taylor Davies-Colley, a Master student in Botany, talks about a rare New Zealand aquatic plant which eats water fleas but is at increasing risk from pollution.