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She went to Chicago at first and the first thing that she did after she got to Chicago was she started working with this other physicist who was working there named Eugene Wigner, and together they developed the Way-Wigner formula for fission product decay.

Huang: Because of her work on fission product decay.

The population surrounding Chernobyl was not warned that iodine-131—a radioactive fission product that can enter the food chain—had contaminated milk and other locally produced agricultural products.

The population surrounding Chernobyl was not warned that iodine-131 – a radioactive fission product that can enter the food chain – had contaminated milk and other locally produced agricultural products.

"It's a high-yield fission product; it's only found in nuclear reactors; it's very mobile in the environment - but what we found is that our cement will actually lock tight this technetium-99 into its structure and prevent it being transported into the environment," explained Dr Corkhill.