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 ...

That coat of enamel protecting our pearly whites originated from an unexpected source: primitive fish scales, according to new work published in Nature this week. Researchers studying both ancient and ...

What do you and ancient fish have in common? Well, there's one thing that might surprise you; the enamel on your teeth, the hardest tissue in the human body, started out as tough fish scales. Made ...

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 ...

Enamel is the hardest organic tissue found in nature. It has a very complex structure, which is made up of minerals and enamel-specific proteins produced by tooth-exclusive cells called ameloblasts.