Did Life Come From Mars? - The Countdown #30

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Earth life 'may have come from Mars' (BBC News)
http://www.bbc.co.uk/news/science-environment-23872765

Maybe Mars Seeded Earth's Life, Maybe It Didn't (Scientific American Blog Network)
http://blogs.scientificamerican.com/life-unbounded/2013/08/29/maybe-mars-seeded-earths-life-maybe-it-didnt?WT.mc_id=SA_spacelab_meta

China Plans Its First Unmanned Moon Landing This Year (New York Times) http://www.nytimes.com/2013/08/29/world/asia/china-plans-first-unmanned-landing-on-moon.html?ref=space&_r=1&

China to launch lunar probe for landing mission (Xinhua)
http://news.xinhuanet.com/english/china/2013-08/28/c_132671366.htm

NASA Data Reveals Mega-Canyon under Greenland Ice Sheet (NASA)
http://www.nasa.gov/content/goddard/nasa-data-reveals-mega-canyon-under-greenland-ice/index.html#.UiXhSBb9WwF

Space Station Astronauts to Test 3-D Printing in Microgravity (Scientific American)
http://www.scientificamerican.com/article.cfm?id=microgravity-iss-3d-printing-space&WT.mc_id=SA_spacelab_meta

From Cosmology to Cold Atoms: Observation of Sakharov Oscillations in a Quenched Atomic Superfluid [Preview] (Science)
http://www.sciencemag.org/content/early/2013/07/31/science.1237557.abstract
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