Dr. Hazel Barton - Cave explorer and cave microbiologist Hazel Barton has been exploring caves for over 20 years. Hazel has uncovered unique antibiotics, contributed to global warming research by looking at how cave microbes can turn CO2 into stable calcium carbonate and is currently working with NASA examining the similarities between cave conditions and the subsurfaces on Mars. Hazel Barton will give a public lecture providing an entertaining introduction to caves, to microbiology and to the science they share.