SoT 170: A Big Year For Zircon

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Download_greenHosts: Ed Brown, Dr. Shayne Joseph, Dr. Katie Mack, Dr. Helen Maynard-Casely, Lucas Randall

More details on Philae’s rough landings, and the future of the first probe to land on a comet. Professor Monica Grady’s reaction to the landing, the sound of the landing, and the comet ‘sings’.
When a pair of scientists found their experiment contaminated from the DNA Isolation kits they were using, they set out to see if other experiments were similarly contaminated.
Researchers at Australia’s James Cook University have discovered tiny zircon crystals on Vanuatu. But surprisingly, they seem to have originally come from Australia.
Scientists have descended into one of the three mysterious craters that have formed this year in Siberia, onto a frozen lake. The most likely explanation for the craters is a “catastrophic destabilization of Arctic methane stores due to human-caused warming“.

Dr. Helen Maynard-Casely is a an instrument scientist for the WOMBAT high-intensity powder diffractometer at the Bragg Institute. She writes“The Shores of Titan” column on The Conversation.

Katie Mack is a theoretical astrophysicist at the University of Melbourne. She is a co-host of Pint in the Sky, a vodcast about astrophysics and beer. She also  writes on her blog and tweets at@AstroKatie.

Download here. Duration: [0:47:46]