Syzygy is produced by Chris Stewart and co-hosted by Dr Emily Brunsden from the Department of Physics at the University of York.Find us on Twitter: @syzygypod twitter.com/SyzygyPodOr just visit us at home: syzygy.fmEmily at the University of York: www.york.ac.uk/physics/people/brunsden/Chris online: kipstewart.comSome of the things we talk about in this episode:• NASA’s announcement: https://www.nasa.gov/press-release/nasa-finds-ancient-organic-material-mysterious-methane-on-mars• The first Science paper about Methane: http://science.sciencemag.org/content/360/6393/1093• The second Science paper about organics in the dirt: http://science.sciencemag.org/content/360/6393/1096• NASA’s Curiosity rover: https://www.nasa.gov/mission_pages/msl/index.htmlVideo showing Curiosity’s view of the Gale Crater: https://youtu.be/U5nrrnAukwI• Curiosity’s selfie: https://www.nasa.gov/feature/jpl/mount-sharp-photobombs-mars-curiosity-rover• Curiosity sings Happy Birthday to itself: https://youtu.be/uxVVgBAosqg• Methane from cows: https://www.independent.co.uk/environment/climate-change/cow-emissions-more-damaging-to-planet-than-co2-from-cars-427843.html• Water on Mars: https://en.wikipedia.org/wiki/Water_on_Mars• Olympus Mons: http://www.bbc.co.uk/science/space/solarsystem/solar_system_highlights/olympus_mons• ESA’s ExoMars: http://exploration.esa.int/mars/48088-mission-overview/• The fate of the Schiaparelli Lander: http://www.skyandtelescope.com/astronomy-blogs/schiaparelli-requiem-for-a-mars-lander/• NASA’s Spirit & Opportunity rovers: https://www.nasa.gov/mission_pages/mer/index.html• The Mars 2020 mission: https://mars.nasa.gov/mars2020/mission/overview/• The Mars Helicopter! https://youtu.be/oOMQOqKRWjU https://www.jpl.nasa.gov/news/news.php?feature=7121• Sending humans to Mars: https://www.nasa.gov/content/journey-to-mars-overview