Article: SOME BACTERIA SNIFF THEIR WAY THROUGH LIFE

Bacteria have noses.

Well, not noses exactly, but scent-sensitive spots where a nose should be, up front, heading into the wind.

Janine Maddock and Lucille Shapiro, biologists at the Stanford University School of Medicine, announced this discovery in a recent issue of Science. Their report is titled "Polar Location of the Chemoreceptor Complex in the Escherichia coli Cell." That's sciencespeak for "some bacteria have noses."

This news comes as a surprise to those of us who imagined bacteria as blobs of featureless protoplasm. Escherichia coli (E. coli for short) is one of the commonest bacteria. A zillion of them live in my digestive track. As far as I knew, they were microscopic sausages of ...

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