ANIMALS - Study shows use of feces as building material by termites serves as antibiotic

(Phys.org) —A team of researchers at the University of Florida has found that some termites use their own feces as an ingredient in building materials. Doing so, the group reports in their paper published in the journal Proceedings of the Royal Society B, offers the insects a natural antibacterial agent that helps them fend off infections that could harm them ...

http://phys.org/news/2013-09-feces-material-termites-antibiotic.htm