Arsenic is a nasty poison that once reigned as the ultimate weapon of deception. In the 18th century, it was the poison of ...

Nearly 17% of the world's croplands are contaminated with "heavy metals," according to a new study in Science. These ...

COMMERCIAL application of lead arsenate to citrus foliage has long been used to accelerate reduction of acidity in grapefruit. The effective moiety has been found to be arsenate. Control of citric ...