Why are elements like radium dangerous? A chemist explains radioactivity and its health effects

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...
CNN

Radioactive wasp nest found at site where US once made nuclear bombs

Columbia, South Carolina (AP) — Workers at a site in South Carolina that once made key parts for nuclear bombs in the United States have found a radioactive wasp nest but officials said there is no ...