More Kinds of Bacteria Live In Your House Than in Your Yard

We often think of our homes as clean and the outdoors as dirty, but it turns out that our homes actually contain a more diverse population of microbes than the dirt outside — and most of them came from you and your pets.

That’s the finding of a new study that surveyed the fungi and bacteria in 1200 houses across the U.S.

Biodiversity Begins at Home
Some of the microbes in our homes may be harmful; they may cause diseases or allergic reactions. Others are beneficial, because they hel

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