Background radiation is the invisible radiation that is always present in our environment. It comes from a variety of sources, both natural and man-made. Natural sources include cosmic rays from space ...

Frequent flyers and airline crews face a higher risk of radiation exposure from the sun. The risk is greatest on flights at high altitudes, over the poles or during solar events. Radiation exposure ...

With the help of mannequins named Helga and Zohar and sensors placed inside a spacecraft, scientists have collected valuable data about radiation exposure for astronauts outside Earth’s sheltering ...

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It did not take long after the discovery of X-rays in the 1890s for scientists to begin exploring the harmful effects of radiation on living organisms. Yet even after more than a century of research, ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Get an x-ray, and you get a small dose of radiation to visualize your bones and body structures to help you medically. Buy a smoke detector, you’re inviting a tiny source of radiation, americium-241, ...

The principle that radiation exposure should be as low as possible to protect human health has endured at the Nuclear Regulatory Commission for more than half a century. The NRC is now taking its ...

Nine months have passed since the law that compensates US victims of radiation exposure expired in June, and yet another opportunity to reinstate it fell to the wayside last week. The Radiation ...