Microbes are by far the most abundant life form on the planet. The numbers are so big, they’re almost comical: maybe five million trillion trillion bacteria on earth, and that’s conservative. And yet we know shockingly little about who’s living where, and what they do.So, big deal, right?
So we just finished explaining how the gut is our second brain. How to top that? How about this: Your gut is its own planet.The human intestine hosts an entire civilization of microorganisms – about 100 trillion by most estimates. That’s many times more than there are cells in your body.
After months of back and forth, the federal Environmental Protection Agency has approved Illinois' new water quality standards for several Chicago area waterways. For more than a year, the EPA has encouraged Illinois to make the Chicago and Calumet Rivers clean enough to swim in.Former Mayor R