'Ever-young' Gene and its Nanog Protein discovered

Available for over a year

"Ever-young" gene and the protein (called "nanog") it produces that allows an adult cell to "rewind" to its embryonic stem cell state is identified by Professor Austen Smith in Edinburgh. It is alarmingly easy to buy sequences of DNA of dangerous organisms online. Cloned mules hit race track in USA. When do contrails left by aircraft become clouds and what is their effect on global warming?