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Articles on Radiation

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Manufacturing a 300-ton nuclear reactor pressure vessel at a factory in Volgodonsk, Russia. Pallava Bagla/Corbis via Getty Images

Russia’s energy clout doesn’t just come from oil and gas – it’s also a key nuclear supplier

Russia isn’t a major producer of uranium, but it handles a large share of the steps that turn it into nuclear fuel. That makes it a major player in this globalized industry.
This intercontinental ballistic missile was launched as part of Russia’s test of its strategic forces in 2020. Russian Defense Ministry Press Service via AP

Would Putin use nuclear weapons? An arms control expert explains what has and hasn’t changed since the invasion of Ukraine

Russia’s invasion of Ukraine and Vladimir Putin’s nuclear threats have the world on edge, but so far, long-standing arms control measures have helped keep the situation from getting out of control.
Rafael Mariano Grossi, director general of the International Atomic Energy Agency, points to the training facility hit by Russian artillery at the Zaporizhzhia nuclear power plant. AP Photo/Lisa Leutner

Russian troops fought for control of a nuclear power plant in Ukraine – a safety expert explains how warfare and nuclear power are a volatile combination

The world held its collective breath as Russian troops battled Ukrainian forces at the Zaporizhzhia nuclear power plant. The battle is over and no radiation escaped, but the danger is far from over.
A fox roams the deserted town of Pripyat, three kilometres from the Chornobyl nuclear plant in Ukraine, in 2016. (AP Photo/Sergei Chuzavkov)

Russian capture of Ukraine’s Chornobyl nuclear plant threatens future research on radioactivity and wildlife

Heavy military vehicles may have kicked up radioactive soil around Chornobyl, and with fighting nearby there’s a danger of harming the concrete shelter containing the radiation of the leaking reactor.
Many women with metastatic breast cancer feel left out of annual ‘Pinktober’ awareness drives because these campaigns tend to focus on earlier, more curable stages of the disease. kali9/E+ via Getty Images

Breast cancer awareness campaigns can do a better job supporting women who’ve received a stage 4 diagnosis, instead of focusing only on early detection and ‘beating cancer’

A diagnosis of metastatic breast cancer means having cancer for the rest of one’s life – a situation with very different needs and concerns compared to earlier stages of the disease.
Hundreds of nuclear weapons have been tested by the U.S. since WWII, but newer science has replaced the need for live detonations. Galerie Bilderwelt / Hulton Archive via Getty Images

A restart of nuclear testing offers little scientific value to the US and would benefit other countries

Seventy-five years after the first nuclear detonation and nearly 30 years since testing was banned, the US is considering resuming live nuclear testing.
3D mammograms may be useful in investigating abnormalities, but as a means of routine screening, they may do more harm than good. From shutterstock.com

For routine breast screening, you may not need a 3D mammogram

3D mammography is becoming more widely available, but is it superior to the traditional 2D technology for breast cancer detection? The answer isn’t clear-cut.

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