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 ...

The simple mention of the word “radiation” often evokes fear in people. For others, it’s fun to think a little exposure to radiation could turn you into the next superhero, just like the Hulk. But is ...