Word: bone
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Dates: during 1990-1999
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...cell from an adult mammal to behave like a cell from a developing embryo--had long since been abandoned at the major centers of scientific research. Even high school biology students knew that once a mammalian cell had differentiated, and was programmed by nature to be bone or nerve or skin, it could not be deprogrammed...
...20th century alchemy. From something as vile as coal tar came a remarkably versatile substance. It wasn't the first plastic, however. Celluloid had been commercially available for decades as a substitute for tortoise-shell, horn, bone and other materials. But celluloid, which had developed a reputation as a cheap mimic of better traditional materials, was derived from chemically treated cotton and other cellulose-containing vegetable matter. Bakelite was lab-made through and through. It was 100% synthetic...
Environmentalist Peter Matthiessen's latest novel, Bone by Bone, is due out in April
...chemist Willard Libby develops radiocarbon dating, which can determine the age of objects made of organic materials, such as wood and bone...
...Well aware of the area's fickle weather patterns, and, wagering that recent record highs will soon give way to bone-chilling cold, locals took full advantage of the warm weather...