The ability to throw a baseball or any object with speed and precision is unique to us humans. And that ability depends on certain features of our anatomy that arose in our ancestors over 2 million years ago, according to a study published in this week's issue of the journal Nature.
From manufacturing to cupcake sales, companies are finding that machines can often do the job just as well, or better, than humans. But some tasks – like picking and tending to fruit and vegetable crops – have remained the territory of low-wage laborers.
But labor-starved growers are now eying machines with increasing interest.
Some 90 percent of the strawberries and 80 percent of the salad greens grown in the U.S. come from California. These crops and a lot of others have always been picked by hand because they don't ripen all at once and can bruise easily.
The National Institutes of Health says it will retire hundreds of chimpanzees that the agency had been using for research. Animal rights activists see the move as a big step towards ending the use of chimps in research, but it will be awhile before any of the research chimps find their way into retirement homes.
China appeared perfectly happy to let Edward Snowden slip away despite a U.S. request for his arrest. Russia appears to enjoy thumbing its nose at Washington as Snowden cools his heels at a Moscow airport. Ecuador is toying with the notion of granting him asylum.
Originally published on Fri September 27, 2013 4:15 pm
U.K. singer Laura Mvula has been well-served by her conservatory training, which helped her uncover her own unique sound: Mvula's first full-length album, Sing to the Moon, blends classic pop, jazz and soul.
With help from producer Steve Brown, Mvula's choral-like arrangements are wonderfully layered and complex. In this installment of World Cafe, the singer performs live with her band and talks to host David Dye about how she separates her roles as a songwriter and a performer.