Always envious? Got a non-existent social life and struggle to concentrate? All this might be down to Facebook if you believe a study showing those who go a week without using the social network feel happier than others.

Carried out by the Happiness Research Institute, the study involved a sample of 1,095 people in Denmark who were divided into two groups, half of whom continued using Facebook while the others stopped. 

Wearing a particular brand of sneakers or a certain haircut can be a fatal style decision in Guatemala, El Salvador or Honduras -- three Central American nations struggling with a vicious gang pandemic.

Looks that would be ordinary elsewhere have been appropriated by the criminal gangs as their signs on the streets, where armed turf battles have made these countries some of the deadliest places in the world, outside of actual war zones.

A U.S. Army base went on alert after a soldier dressed for Halloween as a suicide bomber with a simulated explosives vest tried to get onto the compound.

The prank unfolded Friday night at Fort Bragg in North Carolina, which is home to U.S. Army airborne and special operations forces.

Tokyo was bracing for a night of macabre revelry on Saturday as party-goers flocked to buy wacky costumes for the evening's Halloween celebrations.

For the normally reserved Japanese, Halloween is an excuse to let their hair down as they dress up as blood-spattered ghouls, fluffy animal characters or foxy nurses at pumpkin-decorated parties across the country.

The White House on Friday welcomed flocks of costumed children to its annual Halloween event where President Barack Obama and his wife, Michelle, gave out candy and fruit bars.

A toddler dressed as the pope who was being pushed in a "popemobile" caught Obama's attention as he and the first lady walked the South Lawn, baskets of goodies in hand for costumed trick-or-treaters.

For the usually reserved Japanese, Halloween has become the perfect excuse to act wild in strange outfits.

The spooky celebration is consuming the energy, fashion sense and wallets of people for the entire month of October, not just kids but also adults on the prowl with colorful parades, costume parties and pumpkin-inspired desserts, dress-up and decor everywhere.

A fish and wild game supper is featuring some Vermont road kill on the menu.

New York's WPTZ-TV reports (http://bit.ly/1XzjhoS ) Hotel Vermont will offer three animals injured or killed on the road as it hosts the Wild About Vermont event on November 7. The event will feature a game supper with donations from hunters and fishermen in the state.

Russian traffic police have busted a caviar smuggling operation after stopping a speeding hearse with half-a-ton of black caviar hidden in a coffin.

The driver of the funeral home vehicle told police that he was transporting a dead woman to the far-eastern city of Khabarovsk, but upon inspection it turned out that "there was no dead body in the car," regional police said in a statement.

Guinness World Records has denied a Chinese city's attempt at a new mark for the biggest serving of fried rice ever cooked, saying Yangzhou violated rules by wasting 150 kilograms (331 pounds) of the feast.

According to a posting on the record book's Chinese microblog, organizers said 4 metric tons (8,820 pounds) of cooked fried rice was distributed to five different outlets. However, it said a portion had been handled inappropriately, violating the organization's rules requiring that the food be edible and not be wasted.

A man dressed as Star Wars character Chewbacca was detained and fined for disobeying police during local polls in Ukraine on Sunday.

The Wookiee warrior -- an activist from a marginal political party -- was apprehended by police in the southwestern city of Odessa after refusing to present his ID as he posed alongside children near a polling station, a local court said.