Now 80 years old, he still heads out in his boat every day, bringing in mostly rock crab and small fish called smelts.

BBC: The Titanic��s final resting place

There's an important distinction between these two types of objects: Comets are mostly water, ice and dust, while asteroids are mostly rock or metal.

CNN: While you were working: An asteroid just flew by

In September, the striking miners, who were mostly rock-drill operators, agreed to return to work after a six-week stoppage, accepting a pay rise of up to 22%.

BBC: Platinum miner Lonmin CEO Ian Farmer stands down

Production at the world's third-largest platinum producer came to a halt as workers, mostly rock drillers, embarked on a wildcat wage strike last Friday over a wage dispute.

CNN: August 17, 2012 -- Updated 0129 GMT (0929 HKT)

During Mr. Ahmadinejad's address, the crowd outside the building dwindled to a few dozen, mostly listening to a rock band rather than the speech.

WSJ: U.S. Walks Out on Ahmadinejad U.N. Speech

"She would rock, isolate herself and mostly ignore everybody, " says her mother, Eileen.

FORBES: New Hope For Autism

The pigeon houses riddling the rock faces, traditionally used to collect the birds' droppings for use as fertiliser, mostly stand empty.

BBC: Turkey��s land of fairy chimneys