Tag Archives: DNA

Understanding Radioactivity Harm Thresholds (in plain English)

Do you understand the nuclear radioactivity levels resulting from the Japanese nuclear plant crisis? Can you figure out how much radioactivity is dangerous? This article explains the three major ways radioactivity is measured, to help you compare the numbers reported … Continue reading

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Radiation or Radioactivity ?

Mainstream news stories almost always confuse radiation and radioactive (materials), which are significantly different things. Radiation means visible light and its cousins: electromagnetic waves including X-rays, gamma rays and radio waves.   Radioactive means those physical materials which emit ionizing … Continue reading

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