Articles on Radiation

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Visitors to Imjingak Pavilion in Paju, South Korea at the border of North Korea and South Korea on Jan. 1, 2018. AP Photo/Lee Jin-man

How a nuclear attack on North Korea would add to global cancer epidemic

The Trump administration shelved its plans for a 'bloody nose' attack while the Olympics in South Korea were under way. With the games over, it's time to consider the consequences of a strike.
Warning sign at Kerr-McGee uranium mill site near Grants, N.M., December 20, 2007. AP photo/Susan Montoya Bryan

Before the US approves new uranium mining, consider its toxic legacy

The Trump administration's push for 'energy dominance' could spur a new wave of domestic uranium production. A scholar describes the damage done in past uranium booms and the visible scars that remain.
A recent Canadian trial reports breast cancer over-diagnosis rates of up to 55 per cent, from routine screening mammograms. (Shutterstock)

Routine mammograms do not save lives: The research is clear

October is breast cancer awareness month. Women should know there is no reliable evidence that routine mammograms reduce death from breast cancer, and there's good evidence that they cause harm.
A study found children are at greater risk of developing later cancers from radiation from CT scans. from

Weighing the risks and benefits of CT scans in childhood

In a recent study of almost 11 million young Australians, we showed those exposed to a CT scan before the age of 20 had a small increase in cancer risk in the years after exposure.
Pocket your phone without worry. Phone image via

Why you can’t fry eggs (or testicles) with a cellphone

Did your holiday gift list include radiation-shielding undies to protect your privates from cellphone radio waves? A radiation expert explains they're unnecessary – your phone won't affect your fertility.
Tim Peake, Yuri Malenchenko and Tim Kopra are about to return to Earth after a six-month stay at the ISS. NASA/Victor Zelentsov

How much radiation damage do astronauts really suffer in space?

In theory, astronauts get the equivalent of a lethal x-ray dose during a six-month stay at the ISS. Here's why we don't have to worry too much though.

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