RNA exosome key for B cell development

New research suggests that RNA exosomes — the cellular machines that degrade old molecules of RNA — play a key role in the development of B cells, which are critical to the immune system’s ability to protect against infection. The findings explain wh…

Low-tech — just what the doctor ordered

Medical equipment that can be manufactured at low cost, is simple to use and can be easily maintained will help extend surgery to the 5 billion people worldwide who currently cannot get access to it, say researchers. They argue that surgical technology…