Originally published on Thu July 11, 2013 11:44 am
Google Glass isn't even available to the public yet. But the wearable technology that packs a tiny computer into a lightweight frame has already faced mockery, condemnation, fear and threats of regulation. As NPR's Steve Henn reported in May:
Racial disparities exist, but what causes them can be complicated. Harvard anthropology student Jason Silverstein says it has to do with a lack of empathy. Host Michel Michel Martin talks with Silverstein about a Slate article he wrote titled, 'I Don't Feel Your Pain.'
To keep America's wilderness anything like it used to be when the country was truly wild takes the help of biologists. They have to balance the needs of wildlife with those of cattle-ranching and tourism, and even weigh the value of one species against another. Ultimately, they have to pick and choose who makes it onto the ark. And, as scientists in Montana's Centennial Valley have discovered, all that choosing can be tricky.
America is as much of a melting pot for dogs as it is for their human friends. Walk through any dog park and you'll find a range of breeds from Europe, Asia, even Australia and mutts and mixes of every kind.
But a few indigenous breeds in North America have a purer pedigree — at least one has genetic roots in the continent that stretch back 1,000 years or more, according to a new study. These modern North American breeds — including that current urban darling, the Chihuahua — descended from the continent's original canine inhabitants and have not mixed much with European breeds.