Can spit help solve a historical mystery?

• Position: DNA - Amelia Earhart's disappearance - Brief article

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The seven-decade puzzle over what happened to Amelia Earhart may soon be solved. Scientists are hoping saliva-which contains DNA-on envelopes that Earhart probably licked will help them figure out what happened when the legendary aviator vanished in July 1937. The first woman to fly alone across the Atlantic, Earhart disappeared over the Pacific along with her navigator, Fred Noonan, while attempting to fly around the world by circling the equator. Though the duo's remains were never found, researchers believe a bone...