Physical Phenomena: News and Research on Radiation, Ionizing

MeSH tree: G01.750.750

First 'perovskite camera' can see inside the human body

Physicians rely on nuclear medicine scans, like SPECT scans, to watch the heart pump, track blood flow and detect diseases hidden deep inside the body. But today's scanners depend on expensive detectors that are difficult ...

When is a sunburn cause for concern?

Sunburns are common—about a third of Americans get at least one each year—and are, most of the time, mild or treatable. But some burns are more severe than others.

What the science says about sunscreen

As temperatures climb and sleeves grow shorter, a familiar ritual returns: slathering on the sunscreen—or perhaps skipping it. Confusion lingers about how to protect our skin from the sun.

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