Scientists have used some new tricks and old dogs to show that thousands of years ago, wolves may have first become man's best friend in Europe.
Researchers extracted DNA from ancient wolf or dog fossils and compared it with DNA from modern dog breeds and wolves. Until recently, labs didn't have the kind of genetic tools they'd need to work with such old dog DNA and do this kind of detailed comparison.
Have you ever wanted to see a woolly mammoth skeleton? How about Amelia Earhart's flight suit (one worn before her fateful last flight, mind you)?
To see them in person, you can visit the Smithsonian's Natural History and Postal museums, respectively, in Washington, D.C. But now you can take a closer look — in 3-D — on the Smithsonian website, too. The institution has made 20 digitized objects from among its vast holdings available online to the public for viewing from every possible angle.
Woody Grant has white hair, a cranky disposition and a stubbornness that just won't quit. When we meet him, he's being stopped by a highway patrolman as he's walking down the shoulder of a Montana interstate. His son David picks him up at the police station, and it turns out Woody was on an 850-mile stroll to Nebraska, to collect the million dollars promised to him in a letter.
David points out gently that the letter is an ad for magazine subscriptions, but he's no sooner got the older man back to his house then he gets a call from his mom: Woody has hit the road again.
The big numbers out today are the administration's counts of how many people actually enrolled in health exchanges between Oct. 1 and Nov. 2. More than 106,000 Americans selected health plans in the first month, the government said.