Currents: Sensitive detection of anthrax spores | Gaseous ions likely formed by ion evaporation | Nanodiamonds are a cell's best friend | Detection of bacteria in one step | Microfabricated Fabry-P�rot interferometer with nanochannels | Imaging bacterial infections in live mice | Droplet trains encode and decode signals | Microarray-based cancer studies are flawed | Getting a handle on R-thalidomide