lunedì 25 gennaio 2016

NYT Science: Some Carnivores Are Better Than Others at Unlocking Dinner

Some Carnivores Are Better Than Others at Unlocking Dinner
By JAMES GORMAN

Researchers tested 39 species of carnivores in zoos to see which were best at opening a puzzle box containing a treat.

Published: January 26, 2016 at 06:00AM

via NYT Science http://ift.tt/1RJiIZo