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How Well Do Astrophysicists Understand the Origin of Heavy Elements?

Elements heavier than iron form in supernova explosions. End of story. We can all rest now. But wait...

Facing Reality About Life on Other Planets, 6: Chemistry and Probability

In this final segment about habitability of exoplanets, Dr Henry Richter looks at chemistry and probability.

Copper Mine at Timna Shows Solomon's Power

Continuing discoveries in the Timna Valley in southern Israel near the Gulf of Aqaba show the widespread and dominant influence of Solomon's kingdom.

Solomon Corroborated: It's His Copper Mine

Copper mines in the Aravah of Israel were most likely Solomon's property, not the Egyptians', new date estimates show, supporting the Biblical chronology.

Your Copper Pipes

Each of us is part metal. Our bodies contain iron, copper, zinc, magnesium, manganese, vanadium, molybdenum, selenium, and even nickel like the coins in our pockets or purses. Unlike the other common elements of life (carbon, oxygen, hydrogen, calcium, nitrogen, phosphorus), our metals are not synthesized and recycled, but must be imported and handled with care. Copper is a good example of a biological metal that performs multiple useful functions – that is, unless something goes wrong with the machinery handling it.
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