The experiments we have made have confirmed this anticipation, and shown that in every case in which light is scattered by the molecules in dust-free liquids or gases, the diffuse radiation of the ...

The ionising effect of radiation is used in the Geiger-Muller (GM) tube as a means of detecting the radiation. The GM tube is a hollow cylinder filled with a gas at low pressure. The tube has a ...

Can a patient have a CT scan, diagnostic X-ray examination or MRI scan on the same day as the PET/CT scan? » After a PET scan, how long does a patient need to wait before using public transportation ...

This process, whereby species evolve rapidly to exploit empty ecospace, is known as adaptive radiation. In his memoir, The Voyage of the Beagle, Darwin noted, almost as if in awe, "One might ...

DNA damage response: More than just repair In addition to fixing damaged DNA, the researchers discovered that UV radiation triggers changes in gene activity.Some genes, particularly those involved ...