You study tiny particles in the atmosphere called aerosols. What are they and why are they important? Aerosols are all around us, they are either liq(...)

A group at UCD’s school of physics uses low-power lasers to build up images of the living retina to better understand how light coming in from different angles is picked up. Image: Getty

The history of science is strewn with stories of self-experimentation. It’s not something to try at home, but in some cases the inquisitive researcher(...)