C. and A.D. 500 by brushing away the dark top layer of barren desert to reveal the light, sandy soil underneath, wrote Clive Ruggles, an archaeologist from the University of Leicester in the United Kingdom, in an email.

MSN: Peru's mysterious Nazca Lines form a labyrinth, says study

The bait contains dye, which will be measured in a black-light examination of rat whiskers to reveal how quickly subway critters consume the ContraPest and whether a change to a more flavorful recipe might be needed.

WSJ: MTA Sets New Tactic in Rat War

Natalie McCaul, from the museum, said the meeting may "shed new light on the ring" and "reveal some of its secrets".

BBC: Escrick sapphire ring's mystery history sparks meeting

When working, it splits light into its component colours, to reveal information about the chemical content, temperature and motion of planets, comets, stars, interstellar gas and galaxies.

BBC: Brute force helps Hubble renewal

Shining a light on the current system would likely reveal that people actually pay more taxes than they think they do, says Sam Batkins, a spokesman for the National Taxpayers Union, a Washington-based group has supported the flat tax.

FORBES: Magazine Article

For who knows what information it might reveal about an individual in the light of future genomic knowledge?

ECONOMIST: A survey of the human genome

As the family negotiates these very personal decisions in the light of a very public campaign, the issue does reveal a consistency between Palin's personal beliefs and her public pro-life stance.

CNN: Commentary: America, meet Sarah Palin

The picture they reveal of failing ambitions, both imperial and economic, throws light upon themes and impulses that are still with us today, from financial bubbles to the aftermath of empire.

UNESCO: 2010 UK Memory of the World Register

Under ultraviolet light and a magnifying glass, any one of these thousands of dots can reveal the host vehicle's unique identity number.

ECONOMIST: Monitor