The Barbados bullfinch and Carib grackle can pass the popular animal cognition test of string-pulling, but this ability may be unrelated to performance on six other cognitive tests, according a study ...

Bumblebee pulls a string to extract blue disk with a sugar-water reward in the center out from under a plexiglas cover. (Screengrab from video by Queen Mary University of London) LONDON, UK, November ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American You may have seen a flurry of articles this ...