Recently I stopped by the offices of PBS Newshour to talk with correspondent Hari Sreenivasan about viruses–from the bird flu that’s in the news today to the viruses that swarm the oceans. Here’s the video, and here’s their story about our conversation.

Originally published June 21, 2012. Copyright 2012 Carl Zimmer.

This month has seen a flood of new studies and reviews on the microbiome, the collection of creatures that call our bodies home. In tomorrow’s New York Times, I look at why scientists are going to so much effort to map out these 100 trillion microbes.

The microbiome is not just an opportunistic film of bugs: it’s an organ that play an important part in our well-being. It starts to form as we’re born, develops as we nurse, and comes to maturity like other parts of the body. It stabilizes our immune system, keeps our skin intact, synthesizes vitamins, and serves many other functions. Yet the microbiome is an organ made up of thousands of species–an ecosystem, really. And so a number of scientists are calling for a more ecological view of our health, rather than simply trying to wage warfare against infections.

Check it out.

Originally published June 18, 2012. Copyright 2012 Carl Zimmer.