The Deputy State Pathologist, Dr Marie Cassidy, will give a lecture on "The scientist as a detective" at Athlone IT's Douglas Hyde Theatre at 7.30 p.m.
A lecture on "The influence of cinema on 20th century science" will take place at the Galway campus of GMIT, at 7.30 p.m.
In the lecture room at Blanchardstown library, Prof Evert Meurs will give a lecture on "Modern views of stars and galaxies at Dunsink observatory". It starts at 3 p.m.
For children, the "exploding custard interactive show" takes place at 1 p.m. at Carlow Institute of Technology.