Dubbed one of the "10 most dangerous toys of all time," a miniature atomic energy lab is said to have been a widely sought-after children's toy in the 1950s – and it reportedly included four small ...

Researchers have quantitatively assessed the impact of extreme laser fields, expected to be achievable in the near future, on the half-lives of deformed nuclei undergoing cluster radioactivity. The ...

The promotion was real — for 15 cents and a Kix cereal box top, one could receive a ring containing polonium-210, the same deadly radioactive material used decades later to kill former Russian ...