Articles on Radiation

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Observations from NASA’s Van Allen Probes have revealed that a third radiation belt can sometimes appear above Earth. NASA/Goddard Space Flight Center

NASA discovers a new radiation belt around Earth

NASA revealed this morning (AEST) that its Van Allen Probes have discovered a third, previously unknown, radiation belt around Earth. The belt appears to be transient, depending strongly on solar activity…
This is bad, but it would be a lot worse without the ozone layer. garth.kennedy/Flickr

How does the ozone layer protect Earth from radiation?

SAVING THE OZONE: Part three in our series exploring on the Montreal Protocol on Substances that Deplete the Ozone Layer – dubbed “the world’s most successful environmental agreement” – explains why we…
Smart meters worldwide use conventional cell phone networks to transmit their data. portland general

Smart meters are about as dangerous as …

Most fairly well educated people recognise pseudoscience as bunkum when they see it — astrology, young-earth creationism, alien abduction, pyramid power … Yet some of these same people are now being sucked…
Exposure to radiation from dental x-rays has decreased in recent years. EPA/Julian Abram Wainwright

Dental X-rays linked to brain tumour risk

People who received frequent dental x-rays as children could be at increased risk of developing a commonly diagnosed primary…
The true health costs of Fukushima’s radiation leaks won’t be known for decades. AAP

Don’t hold your breath for Fukushima’s radiation toll

A year can be a long time in politics. But for the radioactive particles released from Fukushima’s damaged nuclear reactor, a year is just a moment in their life of hundreds or thousands of years. So…
Iran is constructing nuclear power stations; that much is clear. AAP

Could Iran be building nuclear weapons? A scientific perspective

There is much concern that Iran is in the process of developing nuclear weapons. Such a development, we’re told, could induce Israel to launch a unilateral military strike with all types of unpredictable…

Radioactive material threatens farms in Japan

Soil from eastern Fukushima and some neighboring areas has levels of Cesium-137 above safe levels for human consumption…

Where is the earth’s heat coming from?

A study on the Earth’s radioactivity has found that uranium, thorium and potassium produce almost half of the Earth’s heat…

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