This is SCIENCE FRIDAY, I'm Ira Flatow. We all know the phrase a dog is a man's best friend. But how did they become such loyal companions? Scientists agree that dogs descended from wolves, eventually evolving into the first domesticated animals, but that's where the consensus ends.
Researchers have been using archaeological records and genetic studies to tease out clues about how dogs and humans came to live together, but they seem to tell different stories of how it happened.
Originally published on Fri January 25, 2013 12:03 pm
Unusual activity in the atmosphere over the Arctic Circle is triggering snow and frigid temperatures across Canada, the U.S. and parts of Europe. Climatologist Jeff Weber, of the University Corporation of Atmospheric Research, explains why this winter could pack a punch.
Hurricane Sandy battered the coastline here in New York and New Jersey. Take the city of Long Beach on Long Island. In 2006, the city council unanimously rejected a plan to construct 15-foot-high dunes on the beach there, saying that the 15-foot-high dunes would block ocean views, lower property values, affect surfers' waves.