All-natural magic properties of tin

The May 27, 2010 issue of the journal Nature features two papers about magic aspects of the element tin (symbol Sn):

The magic nature of 132Sn explored through the single-particle states of 133Sn“. The authors explain that “Atomic nuclei have a shell structure that allows for ‘magic numbers‘ of neutrons and protons, analogous to the noble gases in atomic physics.”

Nuclear physics: Doubly magic tin

(Thanks to investigator Ian Davis for bringing this to our attention.)