This name is taken from a particular rock unit in the Northwest Territories, but it has an even older lineage - one that goes back to a small Highland settlement in Scotland.

BBC: Cosmic coincidence on the road to Glenelg

Just before conjunction, it drilled into a mudstone in a rock unit referred to as Sheepbed and found further compelling evidence for a watery past in Gale - sediments that possibly once formed a lakebed.

BBC: Curiosity Mars rover to investigate classic rock type

Having originally grown out of the Austin indie-rock band Okkervil River, Shearwater completes its final transformation into a distinct unit with Rook.

NPR: Shearwater: Gone to the Birds, Happily

Canning and Drew say when they approached writing the songs for Forgiveness Rock Record, they were interested in focusing on a smaller, more stable unit, one they'd been touring with since 2008.

NPR: Broken Social Scene: Leaner Lineup, Same Big Sound

The four iShares index funds (see table below), issued by the Global Investors unit of Barclays (nyse: BCS - news - people ), sport a rock-bottom expense ratio of 0.15 versus open-end bond fund averages of around 1.00 and the 0.20 charged by low-cost leader Vanguard.

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