IAEA-developed training material that teach the basics of how to initiate national radon programmes is available for download. The six modules, developed in collaboration with the World Health ...

Granular systems sometimes move like a fluid. Think of an hourglass where sand, a very typical granular material, flows from one half of the glass to the other.

While all granular systems have these forces present, we cannot see their distribution because force is invisible in most grains, such as sand or pills.

A dangerous gas hiding in the soil is the leading cause of lung cancer among non-smokers. Schools aren’t required to test for it, but a local group and lawmaker are trying to change that.