Birds have a remarkable ability to navigate by the Earth’s magnetic field, but scientists still have not found where that sense is located.
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This animation reveals the two-component signalling mechanism by which bacteria control flagellar directional switching in response to chemical stimuli.
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How biologists, who spend their lives studying systems like this, manage to miss the unambiguous design implications never ceases to baffle me.
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It's a forthcoming book, it's a heck of a good deal (if you act promptly) -- and now it's a quite handsome motion-picture style trailer, complete with awesome theme-music soundtrack.
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