Apes and birds have long been known to demonstrate their intelligence by pulling a string to access food, but now researchers at Queen Mary University of London (QMUL) have discovered that bumblebees ...

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 ...

The mechanical simplicity of this pull-string controlled most useless machine is delightful. You can see the metal gripper which is reaching up to tug on a light-fixture-style pull chain. This is how ...

Bumblebees can learn to pull strings for food and pass on the ability to a colony, according to new research. Bumblebees can learn to pull strings for food and pass on the ability to a colony, ...