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Your Inner Postal Service

51; Zip codes – those five- or nine-digit numbers on mail – have an analogue in every one of your cells.  Like a city,1 a cell has information to ship from place to place.2  To make sure that the manufacturing instructions for protein parts arrive at the appropriate assembly site, the shipper puts a molecular […]

Bacterial Flagellum Can Tune Its Swim Speed with Network-Controlled Brakes

51; What’s new with flagella?  These are the favorite toys of intelligent design supporters, because they are irreducibly complex molecular machines that evolutionists rarely attempt to explain by a Darwinian process.  More fodder for their position comes from a paper in Cell1 that finds that bacteria can fine-tune their swimming velocity by means of a […]
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