What's on at the festival: today and tomorrow. . .
Monday
Sun, moon and meteorites: quest for our origins, a session which tries to recreate the early history of our solar system. (9.30am-12.30pm, Trinity Chemistry Building, €7)
The legacy of Hamilton - the international contribution made by this famous Dubliner to science and mathematics. (9.30am-12.30pm, Trinity Arts Block, €7)
Literature and science: encounters with the sea mouse - a scientific look at this unusual creature and how a poet has attempted to use art to describe the animal. (1pm-2pm, Trinity Panoz Institute, free).
RCSI investigates: fascinated by forensics? The Royal College of Surgeons explains the intricacies of forensic science. (7pm-9pm, Royal College of Surgeons, St Stephen's Green, free).
The BA Charles Lyell Award Lecture: Ireland's hidden depths - a lecture that describes the fascinating coral reefs off our western seaboard and how the coral structures are being damaged by trawling. (12.45pm-1.45pm, Trinity Hamilton Building, 7)
Water on Mars - the latest findings by satellites and rovers sent to visit the Red Planet. (2pm-6pm, Trinity Chemistry Building, 7)
Tuesday
Discovering archaeology, how archaeologists do their job, using trowels but also modern technology (9.30am-12.30pm, Trinity Panoz Institute, 7)
Biodiversity desert or rich habitat: the wildlife found in Ireland's forestry plantations (10am-4.30pm, Trinity Panoz Institute, free).
Tree climbing techniques: why ecologists study the rich treetop canopy and how they get up there (1pm-1.45pm and 4.15pm-5pm, meet in Trinity New Square, free).
Living with a star: a close encounter with our dynamic sun and what it might look like from the inside (12.45pm-1.45pm, Trinity Hamilton Building, 7).
Literature and science: how science is treated in the growing number of poems being written about the subject (1pm-2pm, Trinity Panoz Institute, free).
Einstein's legacy: why we continue to celebrate the findings of this great scientist (2pm-5.30pm Trinity Arts Block, €7).