Oil is more toxic than previously thought, study finds

Bad news for the Gulf of Mexico: a study released in late December sheds new light on the toxicity of oil in aquatic environments, and shows that environmental impact studies currently in use may be inadequate. The report was published in the Proceedings of the National Academy of Sciences.   More

Scientists grow sperm in laboratory dish – Telegraph

Prof. Mahmoud Huleihel, who also grew the sperm at Israel’s Ben Gurion University in Beersheba, said: “I believe it will eventually be possible to routinely grow human male sperm to order by extracting tissue containing germ cells from a man’s testicle and stimulating sperm production in the laboratory.”   More