Originally published on Mon January 27, 2014 12:36 pm
Our four-legged friends suffer from many of the same cancers that we do. But one type of dog tumor acts like no other: It's contagious.
The tumor spreads from one pooch to another when the dogs have sex or even just touch or lick each other.
"It's a common disease in street dogs all around the world," says geneticist Elizabeth Murchison at the University of Cambridge. "People in the U.S. and U.K. haven't heard of it because it's found mostly in free-roaming dogs in developing countries."
Originally published on Fri January 24, 2014 8:11 am
When it comes to tackling obesity, eating right and staying active are usually the way to go. But a research team in the Netherlands says there's an environmental factor that might help and that is often overlooked: the cold.
We're not talking bone-chilling temperatures that'll make you shiver endlessly, but a milder cold between 62 and 77 degrees.
Last week I wrote about free will, or whether we are the agents of our own decisions. My thoughts were prompted by an invitation to participate in a roundtable discussion about the issue with colleagues from different fields, from cognitive neuroscience to philosophy, organized by the Foundational Questions Institute (FQXi).
There are more than a thousand species of sharks and rays in the world, and nearly a quarter of them are threatened with extinction, according to a new study. That means these ancient types of fish are among the most endangered animals in the world.
The European Space Agency's Rosetta mission is back in business. For the past 31 months, the spacecraft has effectively been asleep. Most of its instruments were shut off to save energy, including the radio for communicating with Earth. Mission managers can now start preparing Rosetta for a rendezvous with a comet later this year. NPR's Joe Palca has more.
Originally published on Tue January 21, 2014 6:55 pm
If you've ever shopped at Whole Foods, you've probably noticed that some of the foods it sells claim all kinds of health and environmental virtues. From its lengthy list of unacceptable ingredients for food to its strict rules for how seafood is caught and meat is raised, the company sets a pretty high bar for what is permitted on its coveted shelves.
Originally published on Tue January 21, 2014 3:49 pm
By Adam Frank
In his 2004 book Cloud Atlas, novelist David Mitchell imagines Nea So Copros, a dystopian future version of Seoul, Korea, in which consumer culture has become its own form of totalitarianism. It's a world where brands and logos become their own form of political power.