Arsenic is a trace element that lies just below phosphorus ... On the Pic du Midi, the researchers discovered, among other things, that clouds contain significantly more arsenic on average ...

We also discovered that some infant rice ... Its website states that arsenic is "a naturally occurring element in soil and water" and "all plants take up arsenic." But "natural" does not equal ...

Brazilian police discovered an unidentified bottle ... by Deise just days before Paul's death in September. Arsenic is a metallic element that occurs naturally. Its inorganic form is highly ...