Science On Top

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 con