(Nanowerk Spotlight) The microscopic architecture of bone tissue - an intricate mineral framework smaller than a human hair - enables its unique ability to heal and bear weight. This structural ...

Sure enough, under a microscope, it appeared that the ... including fossilized bone—but not soft tissues. One Friday night in January 2004, Wittmeyer was in the lab as usual.

Using scanning electron microscopy (SEM) up to 150,000x ... the Ice Age samples still consist of original, unfossilized bone ...