Researchers are calling for tighter controls on the live reef fish trade, a growing threat to coral reefs, in letters to the international journal Science.

Professor Chris Somerville of the Carnegie Institution and Stanford University, explained advances in plant science research that are both needed and achievable to reduce costs and multiply current levels of production of biofuels from plant cellulose (biomass).

A signaling system involved in many forms of leukemia and lymphoma is more powerful than scientists have thought, exerting control over our genes by affecting whole swaths of chromosomes in global fashion, according to a paper in the September issue of Nature Genetics and appearing online August 6.