Silicon dioxide, or silica, is a natural chemical compound composed of silicon and oxygen (SiO₂). It is typically safe as a food additive, although some agencies are calling for stricter guidelines ...

Montreal, QB / ACCESSWIRE / May 22, 2014 / Uragold Bay Resources Inc. ("Uragold") (TSX Venture: UBR) is pleased to announce that it has acquired, through map staking, a strategic portfolio of high ...