The third episode in the RCSI/Newstalk radio series ‘I Have A What Now?' will air on Saturday, 21 June on the Newstalk radio show Futureproof.

Professor Zena Moore, Head of the School of Nursing and Midwifery, RCSI in conjunction with Futureproof presenter Jonathan McCrea will take listeners on a journey to explore the ‘suprachiasmatic nuclei' which are responsible for controlling circadian rhythms. These are important in determining the sleeping and feeding patterns of human beings and animals.

The ‘I Have A What Now?' series takes an entertaining look at the fascinating processes that go on in our bodies to main our health; focusing on the more unusual parts of the human body. During the series listeners are brought on a visceral sight-seeing tour of the human body through the skin, tissue and bone to a brand new destination in the body.

In the first episode Zena discussed the coccyx, otherwise known as the tailbone. In the second episode Zena discuss the bundle of his, which is an important part of the electrical conduction system of the heart.