Catalyst from hot water

The production of chemical substances normally requires environmentally harmful solvents. After researchers had produced organic substances without harmful substances by heating them in hot water, they can now chalk up another success: Through hydrothe…

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…