do you know what you don't know ?

LiveScience.com - If you've ever had one too many drinks during a night out, you're probably familiar with the dreaded aftermath: the hangover. Turns out, your liquor of choice could influence your morning headache.

AP - President Barack Obama said the United States, China and several other countries reached an "unprecedented breakthrough" Friday to curb greenhouse gas emissions — including a mechanism to verify compliance — after a frenzied day of diplomacy at the U.N. climate talks.

SPACE.com - A NASA satellite has created a new map of so-called "night-shining clouds," which form at high altitudes on Earth and glow even after the sun sets.

HealthDay - FRIDAY, Dec. 18 (HealthDay News) -- The genes that make people susceptible to alcoholism also make them prone to becoming addicted to marijuana, a new study suggests.

AFP - Two London airports closed by heavy snowfall were reopened on Friday, but forecasters warned of a repeat of the bad weather that caused traffic chaos and closed schools across the southeast.

AP - David Walsh said when he was assembling his first report card on video game violence 13 years ago, children were attacking on-screen monsters or aliens with imaginary chain saws and guns.

AP - Verizon Wireless said Friday that it doubled the fees for customers to break service contracts for smart phones because those devices cost much more.

AP - Over the past week, Facebook has been nudging its users — first gently, then firmly — to review and update their privacy settings.

Reuters - Almost a decade after the major labels launched their legal assault on Napster, courts are still writing the rules of the road for the music business's digital future.

NewsFactor - Is the end in sight for Windows Mobile? A number of recent surveys show that market penetration for Microsoft's mobile platform is stagnant, even as support for Apple's iPhone, Research in Motion's BlackBerry, and mobile devices based on Google's Android are growing by leaps and bounds.

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