Drill bits have to be replaced after showing signs of dullness. However, this doesn’t seem to be the case for teeth. Since they’ve been breaking down food and tearing packages since the dawn of time (and staying relatively intact for generations), how do they last so long? A group of researchers at the George Washington University in 2009 managed to crack the mystery open.
Showing posts with label basket-weave structure. Show all posts
Showing posts with label basket-weave structure. Show all posts
Tuesday, April 1, 2014
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