Study uncovers mercury treatment in 19th-century French child suffering from rickets and scurvy / Emperor penguins lead to discovery of new detoxification pathway for mercury / Methylmercury: How microbes create the most toxic form of mercury / Study reveals that mercury levels in canned tuna are over the limit / Ban tinned tuna from schools and hospitals, say activists, after toxic levels of mercury found in samples / Tinned tuna contaminated with mercury: NGOs / Tinned tuna sold in Europe contaminated with dangerous levels of mercury, NGOs say / Wildfires are increasing toxic mercury in streams in Idaho, Oregon, Washington, study finds / Mercury poisoning near Grassy Narrows First Nation worsened by ongoing industrial pollution, study suggests / Researchers investigate mercury concentrations in fish and wildlife on a global scale