What exactly are probiotics and how do they work? Scientist Luke O'Neill explained all about the good, and the bad of our gut bacteria.

Professor Luke O’Neill, chair of Biochemistry at Trinity College Dublin is back.

Up for discussion today, a new test for chronic fatigue syndrome, how the brain blocks out distractions, how supermassive blank holes might have helped at the beginning of life and why Luke envies MIT.

Why do we get motion sickness and how can we treat it? Our science expert Luke O'Neill joins us to explain.

Luke O’Neill, Professor of Biochemistry at TCD discusses using animal organs in humans.

Luke O’Neill, Professor of Biochemistry at TCD gives us a lesson on the science of anger.

Luke O’ Neill, Professor of Biochemistry at Trinity College Dublin, joins the programme to discuss why boys perform worse in school than girls.

Did you ever notice how some people have a great sense of direction or wonder how some creatures like pigeons are especially good at navigation? Professor of Biochemistry at Trinity College Dublin Luke O’ Neill explains all.