While on first glance this story appears to be an April Fool's joke, it isn't. Really. The giant African pouched rat may be the latest weapon in the fight to eradicate tuberculosis. It's already proved its usefulness in detecting landmines, and the rodent is now being trained to detect TB.
A new study purports to link levels of chemical exposures to reduced response levels to bacille Calmette-Guerin vaccine in infants. The authors fail to note that simply measuring two chemicals and finding some impairment in some function does not mean that the chemicals caused it.