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 [email protected]. “What is radium and why is it dangerous?” – ...

Students will test and observe how distance affects radiation measurements from radioactive sources. Students will test and observe how different types of shielding materials affect radiation ...

ASSERGI, Italy – In a research lab under almost a mile of rock and a six-centimeter-thick shield created from boiled-down lead from an ancient Roman shipwreck, physicists are observing a rare form of ...