Archives for July, 2012

You’ve heard of the carbon cycle, maybe even the nitrogen cycle. But have you given much thought lately to the sulfur cycle? New research in last week’s Science suggests that we should be paying a bit more attention to the way this element moves through the atmosphere, biosphere, oceans and land. Over the last 500…

We were just getting used to the idea of our digestive tract as an ecosystem. There are 10 times as many bacteria in our gut as there are cells in our bodies, and the ecological balance between the different types might affect everything from our tendency to gain weight to our general health and susceptibility…

Rose Eveleth talks to Assaf Vardi today on the Scientific American Expeditions blog: http://blogs.scientificamerican.com/expeditions/2012/07/11/you-wanted-to-know-who-are-these-scientists-introducing-assaf-vard