The weekend brought more bad news for the racy new MTV show "Skins." After the Parents Television Council urged a boycott and a federal investigation into the series for possible violations of child pornography laws, advertisers are following in the footsteps of Taco Bell and are pulling their ads from the show.

TROMSOE, Norway - The Arctic Ocean needs tough new shipping rules as a rapid thaw opens the remote, icy region and brings risks of disasters on the scale of the Titanic, politicians and experts said on Monday.

CHICAGO - Oprah Winfrey has discovered she has a half-sister - a Milwaukee woman who was given up for adoption by Winfrey's mother nearly 50 years ago, when the talk show host was eight years old.

Washington (CNN) -- The House of Representatives voted to repeal the Obama administration's signature health-care legislation Wednesday evening, a vote the newly elected Republican majority called a fulfillment of their No. 1 campaign promise.

London -- Airports around the world are likely to boost security checks in the wake of Monday's deadly bombing in Moscow, experts say.

International- S. Korea talking to N. Korea again
National- Reality check: Repealing health care reform - CNN.com
Local/Regional- Two students shot in L.A. high school
Techology/Business/Science/Health- Too much TV time may hurt your heart
Sport/Entertainment- 'Social Network' leads Globes with four awards - Entertainment - Movies - TODAYshow.com

Teresopolis, Brazil (CNN) -- It was like a tsunami from the sky in Brazil's Rio de Janeiro state as floodwater gushed through hill towns and giant boulders catapulted from hillsides, instantly crushing cars and houses.

NEW YORK - There might be trouble brewing behind the glassy eyes of kids who spend too much time and energy on video games, according to a controversial new study.

CAIRO/ALGIERS - The self-immolation that set off the protest wave which toppled Tunisia's leader has led to apparent copycat protests in other north African states, with four men setting themselves on fire in Algeria and one each in Egypt and Mauritania.

BEVERLY HILLS, Calif. - The Facebook tale "The Social Network" has won top honors at the Golden Globes with four prizes, including best drama and director, solidifying its prospects as an Academy Awards favorite.

Apple Inc. founder and CEO Steve Jobs, a cancer survivor, sent a note Monday to employees saying he's taking a medical leave of absence so he can focus on his health.

International- U.S. adding 1,400 troops in Afghanistan
National- Federal judge dead, congresswoman among 12 wounded in shooting - CNN.com
Local/Regional- William Daley chosen as new White House chief of staff
Techology/Business/Science/Health- Facebook opens door for IPO in 2012
Sport/Entertainment- Cleveland Cavaliers offer homeless man with radio-ready voice a job - ESPN

CHICAGO - U.S. researchers have developed a way to harness the immune system to test for Alzheimer's, an approach they say could lead to a blood test for the disease within months.

(CNN) -- In the past 75 years, the world has been witness to genocide in Cambodia, Rwanda, Srebrenica, Darfur and the Holocaust.

(CNN) -- Some of the nation's top experts Tuesday were looking for clues into sudden, mass deaths of birds in two states over New Year's weekend.

(CNN) -- Authorities in Maryland are investigating the deaths of about 2 million fish in Chesapeake Bay.

Some New Jersey grocery stores have sold beef products in recent weeks that may contain a deadly strain of the E. coli bacteria, federal officials have said.

International- Australian towns brace for more flooding; death toll rises - CNN.com
National- 1 week after blizzard, NYC garbage is piled high - U.S. news - Life - msnbc.com
Local/Regional- Christie, Booker and other N.J. political bigwigs turn out to see Essex County executive b...
Techology/Business/Science/Health- iPhone alarm glitch leaves users snoozing - Technology & science - Wireless - msnbc.com
Sport/Entertainment- Lindsay Lohan out of rehab after 90 days - Entertainment - Celebrities - TODAYshow.com

Seoul, South Korea (CNN) -- North Korea threatened Thursday to launch a "sacred war" after South Korea completed large military exercises near the volatile inter-Korean border.

London (CNN) -- Drivers of London's underground train system went on a one-day strike Sunday in a dispute over holiday pay, disrupting service during the busy holiday shopping season.