Find this orientation by looking through the crystal at the sky at a time when you can see the sun, mark the sun's direction on the crystal, and your mark will always point towards the sun when you match the beams from even a tiny patch of blue in an otherwise overcast sky.

ECONOMIST: How Norsemen found their way round in cloudy weather

This year, that work would be the star feature at Marlborough Fine Ar t: a dazzlingly beautiful, sun-drenched Mark Rothko canvas, seeped in burnt orange and the palest pink, and dated 1954.

FORBES: Art Fairs As The New Museums: Here's What's On View At Art Basel 2012

For the Sun, the talks mark crunch-time for the euro.

BBC: Eurozone debt talks dominate papers

But with "Tiny Cities, " Mark Kozelek of Sun Kil Moon makes an argument not just for his own abilities as a song interpreter but for the underappreciated songwriting skill of Isaac Brock.

NPR: Sun Kil Moon: 'Tiny Cities'

As we looped around the Velodrome at the one-mile mark, to the sounds of a samba band, the sun came out, glinting on the temporary fences, scaffolding and equipment still being used by the neon-jacketed workmen who waved and cheered on the runners -- and walkers.

CNN: Crossing the Olympic finish line