Like most of the people visiting this site, I love science. One source of fabulous articles is the good old BBC. Today there is one about the dual nature of Nitrogen and there are many more. Below are links to some of my favourites.
Nitrogen: The bringer of life and death
Mercury: A beautiful but poisonous metal
Why do we value gold?
Lithium: A metal that floats on oil and powers our phones
Chlorine: From toxic chemical to household cleaner
Tin: What the world owes this dull grey metal
Calcium, building block for the world
Sodium: Getting rid of dirt - and murder victims
Aluminium: The metal that just keeps on giving
The world's insatiable hunger for phosphorus
Is it right to waste helium on party balloons?
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