Microbes do more than infect us, however they are us, in the sense that we harbor more microbes than human cells. This makes viruses the most common life form in the seas, and no wonder: viruses infect most other living organisms, including bacteria. It is home to five nonillion infinitesimal beings-that's a 5 followed by 30 zeros.įive million bacteria teem in every teaspoonful of seawater, accompanied by fifty million viruses. The earth alone holds five million times more microbes than there are suns in the universe.
What lies at our feet and within us dwarfs the heavenly spectacle, yet we need our imaginations-or a powerful microscope-to see it: microscopic bugs, not stars, dominate the galaxies.
Gazing into the night sky with its seemingly numberless stars evokes our sense of infinity, but if you seek the ultimate multitude, look closer to home.
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