In this lesson, students will simulate the randomness of decay in radioactive atoms and visualize the half-life of a sample radioactive element. This lesson can be completed in two (2) 45-minute class ...

Scientists have revealed key properties of radioactive promethium, a rare earth element with poorly understood applications, using a groundbreaking new method. When you purchase through links on our ...

By directing pulses of laser light at atoms, researchers can study how radioactive elements decay in a matter of seconds. The ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Researchers grew crystals containing actinium and illuminated them with X-rays to learn how the radioactive metal binds with other elements. That information could help design better cancer treatments ...

“Probably the most useful tool for research since the discovery of the microscope” was described in detail last week by Dr. Joseph G. Hamilton of the University of California. The tool he referred to ...