A new paper discusses how relativity plays a role in Mercury's low melting point. Planet Mercury (Sixty Symbols): https://www.youtube.com/watch?v=rZU8Y9DIBtI Copernicium: https://www.youtube.com/watch?v=fqCdP9Uw5vo Gallium: https://www.youtube.com/watch?v=N6ccRvKKwZQ Gold Vault :https://www.youtube.com/watch?v=CTtf5s2HFkA Slow motion Mercury Pour: https://www.youtube.com/watch?v=a17GBBTxrrQ There paper is here but may not be free to read: http://onlinelibrary.wiley.com/doi/10.1002/anie.201302742/abstract More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the School of Chemistry at The University of Nottingham: http://www.nottingham.ac.uk/chemistry/index.aspx Periodic Videos films are by video journalist Brady Haran: http://www.bradyharan.com/ Brady's other channels include: null (Physics and astronomy) null (Numbers and maths) null (Space stuff) null (Science and behind the scenes) null (Food science) null (Big science facilities) null (Favourite scientists) null (Academic look at the Bible) null (Modern language and culture) null (Philosophy stuff)