Aluminum
The name aluminum is derived from the ancient name for alum (potassium aluminum sulphate), which was alumen (Latin, meaning bitter salt). Alu...
What is arsenic?
Arsenic is a semi-metal, a member of the nitrogen family. It occurs naturally in the earth and in the seas. It is odorless and tastel...
The first organism able to substitute one of the six chemical elements crucial to life has been found.
The bacterium, found in a California lake, use...
High levels of arsenic in tubewell drinking-water in West Bengal, India, have been linked to arsenical dermatosis and skin cancer. A laboratory lime s...
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