Hosts: Ed Brown, Penny Dumsday, Lucas Randall, Dr. Helen Maynard-Casely 00:01:16 NASA's InSight probe begins drilling into the Martian surface - and stops. 00:17:11 Twins are either identical (one egg splits into two copies) or fraternal (two eggs fertilised at the same time). But that's not always the case - as a mother in Queensland found out when she had sesquizygotic twins. 00:25:44 Timothy Ray Brown, who was known as The Berlin Patient, was the first person to be "cured" of HIV. Now a second man appears to have also been cured, using the same bone marrow transplant technique. 00:33:32 Saturn's largest moon, Titan, is also the only moon known to have a thick, dense atmosphere. But now, thanks to the Rosetta probe's studies of comet 67P/Churyumov-Gerasimenko, the origins of Titan's atmosphere may have been revealed. Dr. Helen Maynard-Casely is an instrument scientist for the WOMBAT high-intensity powder diffractometer at ANSTO, Australia's Nuclear Science and Technology Organisation. This episode contains traces of Loudwire's Toni Gonzalez reporting on an Australian study of people who listen to Death Metal.

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