Tag Archives: substance

[ad_1] The compound, carbon tetrachloride, contributes to the destruction of the Earth’s ozone layer, which protects us from harmful ultraviolet radiation. As a result, the production of carbon tetrachloride has been banned throughout the …

[ad_1] LONDON – A man and a woman, now both in a coma in a hospital in southwestern England, were poisoned by the Novichok neurogenic agent, the same type of Soviet chemical …