It's no journey to the center of the Earth. Not yet, anyway.
But scientists do intend to drill the deepest hole ever made in the Earth's crust, deep beneath the oceans off the coast of Costa Rica, an effort to collect samples of the planet's mantle for the first time ever, according to a report at National Geographic News.
Samples pulled from deep within the planet -- extracted by a Japanese drill ship equipped with a whopping six miles of drilling pipe -- would rival moon rocks in terms of scientific importance, they claim.
"That has been a long-term ambition of earth scientists," geologist Damon Teagle told National Geographic News.
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