Amelia Earhart Mystery Solved? 'Investigation Junkies' to Launch New Expedition

amelia

It has been 72 years since famed aviator Amelia Earhart and navigator Fred Noonan disappeared while attempting to fly around the world. But the mystery remains unsolved: Nobody knows exactly what happened to Earhart or her plane.

Now researchers at the International Group for Historic Aircraft Recovery, or Tighar, say they are on the verge of recovering DNA evidence that would demonstrate Earhart had been stranded on Nikumaroro Island (formerly known as Gardner Island) before finally perishing there.

During May and June of next year, Tighar will launch a new $500,000 expedition, continuing the archaeological work it has been doing on the island since 2001.

"We think we will be able to come back with DNA," said Tighar's Executive Director Ric Gillespie, who is working with two DNA labs in Ontario, Canada, Genesis Genomics and Molecular World. "We were out there in 2007 under the impression that in order to extract DNA we would need to find a piece of a human, and we didn't find anything like that. But we did find what's best described as personal effects of the castaway that died there."

Check out this interactive to find out more about 's 2007 expedition.

During the 2007 trip, Gillespie and his crew uncovered early 20th-century makeup and two pieces of broken glass that match a 1930s compact mirror, among other artifacts. DNA can be extracted from such remnants as long as those artifacts aren't contaminated during the collection process. Unfortunately, in 2007, they were. Armed with a new collection protocol, Gillespie and his team will return to the site to seek out new items during their May 2010 excursion.

Earlier this year a woman directly related to Earhart, who wishes to remain anonymous, agreed to provide Gillespie's group with a reference sample of mitochondrial DNA. This type of genetic material differs from nuclear DNA in many ways, primarily because it's passed down the female line. Mitochondrial DNA, also referred to as mtDNA, is often used in forensics research. Because mtDNA is found in the cell's mitochondria, rather than the chromosomes of the cell's fragile nucleus, it isn't as quick to break down even when subject to difficult environmental conditions.

How Did Amelia Earhart Die?

Gillespie said Nikumaroro Island, located about 1,800 miles south of Hawaii, was uninhabited until 1938 -- one year after Earhart disappeared. At that time the island was under British colonial rule, so the first inhabitants were an eight-man team instructed to start clearing land for a village and coconut plantation. Then, two years later, in 1940, the island's administrator found bones, and a campsite.

"We don't know what happened to those bones," Gillespie said, explaining that the skeleton was sent to Fiji and the British lost track of it in the summer of 1941.

The most recent analysis of the bone measurements indicates they were those of a white female of northern European descent.

Ever since a drought forced out the Nikumaroro settlers in 1963, nobody else has lived on the 2.5-mile-long island.

"We have only excavated 5 percent of the campsite. There's every reason to think there's more stuff out there," Gillespie said.

But not everyone shares Gillespie's theory.

Elgen Long, 82, author of "Amelia Earhart: The Mystery Solved," adamantly believes that Earhart crashed in the Pacific Ocean after running out of fuel.

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