Some said Ron Fouchier?s work would help fend off a pandemic. Others called it a terrorist?s cookbook. Authorities on either side of the Atlantic spent months examining the research. Now the rest of the world can read it, too. In a paper just published in Science, Dr Fouchier explains how bird flu might adapt to spread easily from person to person. The publication caps a long fight over whether the paper?s benefits outweighed its risks. But this controversy will not be the last.