Neutrinos produced in our sun interact with thallium (Tl) atoms ... the bound-state beta decay rate of fully ionized 205 Tl ...

They succeeded in the measurement of the bound-state beta decay of fully-ionized thallium (²⁰⁵Tl⁸¹ ... (with charge Z=82 compared to only 81 electrons in ²⁰⁵Tl) tip the scale.

OSAKA--Thallium was detected in the comatose aunt of a man detained on suspicion of using the highly toxic substance to kill a female acquaintance, police said. Just 1 gram of thallium is enough ...