molybdenum
molybdenum
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11.
by John Spencer Ellis - 2008-07-28
If you don't know what molybdenum is, you're definitely not the only one. Molybdenum is one of the trace minerals and although the body stores this mineral in most body tissues including the brain, l...
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12.
by Dr.Badruddin Khan - 2008-10-31
Crude petroleum has been known for thousands of years. The American Indians used the black sticky substance for war paint and as an insulation material. However, it wasn't until the 1870's that crud...