The element radium can be found in extremely tiny amounts in the Earth’s crust and oceans, and in its pure form it is a soft silvery metal. To an untrained eye, a small piece of radium may look like a ...

In August, the Food and Drug Administration issued an unusual warning: Don’t eat certain lots of frozen shrimp sold at Walmart because they might be radioactive. It didn’t take long for the list of ...

A new map offers a new perspective on the city, revealing the steady, ever-present natural radiation emerging from the ground ...

U.S. federal regulators have detected possible radioactive contamination in a second food product imported from Indonesia, even as recalls of potentially tainted shrimp continue to grow. Officials ...

An illustration titled 'What Radioactivity Is', with six panels' reading (top) 'Water in pond is 'stable,' it expends no energy,' water can be carried up-hill and its energy level raised,' 'as it runs ...

For decades, a massive Cold War-era plant created weapons next to the small northwest Ohio village of Luckey. Residents of the rural community have long wondered how the former toxic plant might still ...

In this lesson, students will investigate the nature of radioactivity and the effect of both distance and shielding materials on different radioactive sources using a Geiger-Muller tube with a counter ...

The element radium can be found in extremely tiny amounts in the Earth’s crust and oceans, and in its pure form it is a soft silvery metal. To an untrained eye, a small piece of radium may look like a ...