Rescuers will begin hauling up 33 miners trapped underground for more than two months.
Rapid progress is expected after a 622-meter shaft is drilled into the miners' emergency shelter.
From volcanoes to nuclear weapons tests and sinkholes, researchers who study giant collapse structures hope to understand what happens when Earth caves in.
Calculating how long global supply will hold out is trickier than it seems.
The finding could help prospectors use biosensors to zero-in on where clumps of the precious metal may lie.
The trick to rescuing 33 miners trapped 2,300-feet underground lies with diamond-tipped drills, a steel cage and time.
Thirty-three miners were found alive and well after being trapped for more than two weeks underground.
Instead of storing flight data on board, aircraft could easily send the information in real time to the ground.
Formed of the coast of western France during a fierce storm in 2009, the unnamed island's fledgling ecosystem faces threats from humans.
The Chinese government has announced its intent to start mining the ocean floor for valuable minerals. A new era in mineral exploitation on Earth is beginning.