Since I subscribe to Michael Thoennessen's isotope newsletter from his Discovery of Isotopes Project, I learn that two papers have just been published which between them give details of observations of new isotopes of Mn (Manganese), Fe (Iron), Co (Cobalt), Cu (Copper), and Np (Neptunium). The Neptunium isotope was created and observed in China, with all the others from a single experimental run in Japan.
Welcome to the world, new isotopes! (though you decayed fractions of a second after you were created)
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