from the because-it's-the-closest-one dept.
black6host writes "Humans have reached the moon and are planning to return samples from Mars, but when it comes to exploring the land deep beneath our feet, we have only scratched the surface of our planet. This may be about to change with a $1 billion mission to drill 6 km (3.7 miles) beneath the seafloor to reach the Earth's mantle — a 3000 km-thick layer of slowly deforming rock between the crust and the core which makes up the majority of our planet — and bring back the first ever fresh samples."
"I just want to be a good engineer."
-- Steve Wozniak, co-founder of Apple Computer, concluding his keynote speech
at the 1988 AppleFest