For wild creatures, science becomes less intrusive with new technologies
![](https://media.wnyc.org/i/800/0/c/85/photologue/photos/tt/paw-prints-in-sand.jpg)
Scientists are beginning to use less invasive technology to research animals in the wild.
( Flickr user markkelley (cc: by-nc-sa) )
( Flickr user markkelley (cc: by-nc-sa) )
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