Jillian York, director of international freedom of expression at the Electronic Frontier Foundation, said in an e-mail that YouTube and Facebook generally are doing a good job of making sure videos from Syrian activists surface on their platforms.

CNN: 'SNN,' YouTube help amplify voices in Syria

In total, the expression of 42 genes linked to vital processes in human cells was altered by the presence of E. faecalis in this state.

BBC: How gut bugs could trigger cancer