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Life on Mars: Carmel Johnston

‘You can fake your personality for a couple of weeks, at most ... But over the long term, your true personality will come out.’ Carmel Johnston, an environmental scientist, was the crew commander of NASA’s most recent Hawaii Space Exploration Analog and Simulation (HI-SEAS) project. In conversation with astronomer Alan Duffy, she describes what she learnt from an entire year spent living with five other scientists in an 11-metre-wide geodesic dome on the Mars-like slopes of Mauna Loa volcano in Hawaii.

The Fifth Estate: Big Tobacco

Sally Warhaft speaks with former health minister Nicola Roxon, who introduced the plain packaging initiative under the Labor government, and Kylie Lindorff, manager of tobacco control policy at Cancer Council Victoria, to take stock of the tobacco control movement in Australia – and discuss the fight against Big Tobacco around the globe.