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Do microbes control our mood? If aliens were to examine a human, they would think we were just slavish organisms designed to feed microbes and carry them around. Our bodies contain ten times more bacteria than cells , and there are an estimated 3.
The case for low methane-emitting cattle You may think that climate change is being caused by burning oil, coal and gas. But not so fast! The emission of methane from cattle is a surprisingly important factor .