State by State Happiness Levels | Why its so Freaking Cold | Dolphins Swarm the Mediterranean

This State Is the Nation's Happiest for the First Time Alaska is now the happiest state in the nation, after ranking among the top 10 for several years, according to a new poll.
New Residents: Dolphins Swam into Mediterranean 18,000 Years Ago Bottlenose dolphins swam from the Atlantic Ocean into the Mediterranean about 18,000 years ago, after glaciers diluted the salt in the sea.
	Why It's So Freakin' Cold: Here's the Science An Artic blast will send bitterly cold temperatures into the eastern United States, but the cold will gradually lessen as spring nears.
	World's Largest Atom Smasher Returns: 4 Things It Could Find The Large Hadron Collider will restart this year after a two-year hiatus. Here are four things scientists hope to find.
	Fire Ants Hitched Ride Around Globe on 16th-Century Ships Sixteenth-century Spanish galleons spread the invasive tropical fire ant around the globe, a new genetic analysis finds.
	What is Culture? | Definition of Culture Culture is the characteristics of a particular group of people, defined by everything from language, religion, cuisine, social habits, music and arts.