Episode 46: How to Find a Snowball in a Desert
Guest: Cecilia Sanders \n\nThe pages of Earth's history are written in its rocks, and geobiologist Cecilia Sanders is interested in a sequence of rocks that tell the story of one of Earth's coldest periods: the Cryogenian. In order to read those pages\u2014and the fossilized fine-print that describes life some 600-700 million years ago\u2014she has to embark on an away mission to Namibia.\n\nFollow us on Twitter!\nMichael: @Miquai\nElise: @emcuttsy