Huge molluscs baffle Brazilian scientists Scientists are baffled after hundreds of huge molluscs began appearing at a dam in Brazil. They have no idea what they are and are worried because locals are eating them, reports Jornal da Tarde. The molluscs, found in the Billings dam at Ribeirao Pires in Sao Paulo, weigh about half a kilo each. They are reproducing quickly and specialist Virgilio Alcides de Farias said: "We are astonished. We have never seen anything like this before. This dam is contaminated." However, Joana da Silva, who lives near the dam, said: "They taste like chicken, it is...