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YORK, ENGLAND--Anita Radini and a team of scientists examined Neanderthal teeth from Spain’s El Sidrón Cave and found traces of bark trapped in fossilized plaque, or dental calculus, on some of them. According to a report in Live Science, the researchers say the wood, which had not been charred and was nonedible, may have come from the use of toothpicks or wooden tools held in the mouth as a “third hand.” Previous studies of Neanderthal teeth have found grooves that may have been made by toothpicks, and marks on teeth from El Sidrón, found last year, suggest that these Neanderthals used them as tools. For more, go to "Decoding Neanderthal Genetics."
