the.com/samarium
the rare earth that makes magnets shrug off heat that melts lesser metals
first mineral namenamed element samarskite, after a Russian mining official
magnet beastsamarium-cobalt magnets work past 300°C without quitting
isotope clocksamarium-147 decays so slowly it dates meteorites
cancer fightersamarium-153 eases pain from bone tumors
glow trickabsorbs neutrons, used inside nuclear reactor controls