The enamel that gives our teeth their bite evolved from the scales of ancient fish that lived more than 400 million years ago, fossil and genetic evidence suggests. Enamel is the hardest tissue ...
The enamel that covers your teeth originated in an unlikely place: the scales of ancient fish. Scientists say they figured this out by examining the fossils of long-dead fish and the DNA of a range of ...
WASHINGTON — The origins of the enamel that gives our teeth their bite is no ordinary fish tale. Scientists said on Wednesday fossil and genetic evidence indicates enamel did not originate in the ...
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