Uranus, the next planet in from Neptune, is almost as mysterious, but for a different reason: its almost featureless green surface provides few clues to the goings-on in its atmosphere.

ECONOMIST: Comparative meteorology

Like other iron minerals, green rust readily absorbs dissolved elements onto its surface, but green rust is not only particularly efficient at this in many cases, it can also react with toxic dissolved trace metals to make them insoluble, and as a result, renders them in nontoxic forms.

MSN: What green rust did long ago to the big blue ocean

Huge swatches of neon yellows, reds and lime-green swiped across every surface try to provide the color-coding necessary to find one's way around within the vast black box.

WSJ: The Library's Future Is Not an Open Book | By Julie V. Iovine | Public Library Renovation

Just one day after the revamped nanos were announced at the " It's Showtime" event, some drool-worthy shots of the green and blue 2G nanos managed to surface, and now we're graced with a photoset containing the esteemed 8GB black-only model.

ENGADGET: 8GB black 2G iPod nano gets unboxed

Neither makes the green with their first two shots and on the sticky surface both then under-hit their third shots.

BBC: Sunday at Wentworth

Capello, unconvinced about David James' fitness, chose Green ahead of the inexperienced Joe Hart - on the surface a sensible decision but ultimately a costly one.

BBC: England 1-1 USA

The walls are lined with bulky green and silver machinery, an array of knobs with buttons and switches covering every metallic surface.

BBC: Tallinn��s secret history of espionage